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This page presents a list of the longest railway tunnels of the world, excluding subway tunnel sections.
 | This article needs additional citations for verification. (July 2023) |
| Name | Location | Length in km (mi) | Year completed | Line |
|---|---|---|---|---|
| Gotthard Base Tunnel | Switzerland (Alps) | 57.104 km (35.5 mi) & 57.017 km (35.4 mi), 2 tubes | 2016 | new Gotthard railway |
| Seikan Tunnel | Japan (Tsugaru Strait) | 53.85 km (33.5 mi) | 1988 | Kaikyo Line (Hokkaidō Shinkansen) |
| Channel Tunnel | France/United Kingdom (English Channel) | 50.45 km (31.3 mi), 3 tubes | 1994 | High Speed 1 (UK) / LGV Nord (France) |
| Yulhyeon Tunnel | South Korea (Gyeonggi) | 50.3 km (31.3 mi)[1] | 2016 | Suseo High Speed Railway |
| Songshan Lake Tunnel[2] | China (Dongguan) | 38.813 km (24.1 mi), 2 tubes | 2016 | Dongguan–Huizhou Intercity Railway |
| Shenzhen Hong Kong Tunnel[3] | China (Shenzhen)/Hong Kong | 35.655 km (22.155 mi), 2 tubes | 2018 | Guangzhou-Shenzhen-Hong Kong Link |
| Lötschberg Base Tunnel | Switzerland (Bernese Alps) | 34.576 km (21.485 mi) & 27.2 km (16.9 mi), 2 tubes | 2007 | Lötschbergbahn Brig - Thun (- Bern - Basel) |
| New Guanjiao Tunnel | China (Qinghai) | 32.645 km (20.285 mi), 2 tubes | 2014 | Qinghai–Tibet Railway |
| Guadarrama Tunnel[4] | Spain (Sierra de Guadarrama) | 28.418 km (17.658 mi) & 28.407 km (17.651 mi), 2 tubes | 2007 | Madrid–Asturias High-Speed Rail (Madrid – Valladolid) |
| Ping'an Tunnel[5] | China (Sichuan) | 28.398 km (17.6 mi) | 2023 | Chengdu–Lanzhou Railway |
| West Qinling Tunnel | China (Gansu) | 28.236 km (17.545 mi), 2 tubes | 2016 | Chongqing–Lanzhou railway |
| Taihang Tunnel[6] | China (Shanxi) | 27.848 km (17.304 mi) & 27.839 km (17.298 mi), 2 tubes | 2007 | Shijiazhuang–Taiyuan High-Speed Railway |
| Hakkōda Tunnel | Japan (Hakkōda Mountains) | 26.445 km (16.432 mi) | 2010 | Tōhoku Shinkansen |
| Iwate-Ichinohe Tunnel | Japan (Ōu Mountains) | 25.81 km (16.0 mi) | 2002 | Tōhoku Shinkansen |
| Musil Tunnel | South Korea (Kangwon) | 25.080 km (15.584 mi)[7] | 2021[8] | Jungang Line |
| Pajares Base Tunnel | Spain (Cantabrian Mountains) | 24.6 km (15.3 mi), 2 tubes | 2023 | Madrid–Asturias High-Speed Railway (León – Gijón) |
| Lainzer/Wienerwaldtunnel | Austria (Vienna) | 23.844 km (14.816 mi), partially 2 tubes | 2012 | Westbahn |
| South Lüliangshan Tunnel[9] | China (Shanxi) | 23.47 km (14.6 mi) & 23.44 km (14.6 mi), 2 tubes | 2014[10] | Watang–Rizhao railway |
| Desheng Tunnel | China (Sichuan) | 22.943 km (14.3 mi) | 2023 | Chengdu–Lanzhou Railway |
| Xiaoshan Tunnel[11] | China (Henan) | 22.771 km (14.149 mi) & 22.751 km (14.137 mi), 2 tubes | 2019 | Haoji Railway |
| Wanhua-Banciao Project in Taipei–Keelung Metropolitan Area | Taipei, Taiwan | 22.672 km TRA (14.09 mi) & 21.508 km THSR (13.4 mi) | 2008 | Taiwan High Speed Rail |
| Middle Tianshan Tunnel[3] | China (Xinjiang) | 22.467 km (13.960 mi) & 22.449 km (13.949 mi), 2 tubes | 2014[12] | Turpan-Kuqa County Railway |
| Iiyama Tunnel[13] | Japan (Iiyama) | 22.251 km (13.826 mi) | 2015 | Hokuriku Shinkansen |
| Daishimizu Tunnel | Japan (Mount Tanigawa) | 22.2 km (13.8 mi) | 1982 | Jōetsu Shinkansen |
| Qingyunshan Tunnel[3][14][15] | China (Fujian) | 22.175 km (13.779 mi) & 21.843 km (13.573 mi), 2 tubes | 2013 | Xiangtang–Putian railway |
| Xiaoxiangling Tunnel | China (Sichuan) | 21.775 km (13.5 mi) | 2022 | Chengdu–Kunming Railway Double Track |
| Daegwallyeong Tunnel | South Korea (Kangwon) | 21.755 km (13.518 mi) | 2017 | Gyeonggang line |
| Yanshan Tunnel | China (Hebei) | 21.178 km (13.159 mi) & 21.154 km (13.144 mi) | 2014[16] | Zhangjiakou–Tangshan railway |
| Lüliangshan Tunnel | China (Shanxi) | 20.785 km (12.915 mi) & 20.734 km (12.884 mi), 2 tubes | 2011 | Taiyuan-Zhongwei-Yinchuan railway |
| Geumjeong Tunnel[17] | South Korea (Busan) | 20.3 km (12.6 mi) | 2010 | Gyeongbu High Speed Railway |
| Dangjinshan Tunnel[5] | China (Gansu) | 20.1 km (12.5 mi) | 2019 | Golmud–Dunhuang railway |
| Wushaoling Tunnel | China (Gansu) | 20.06 km (12.5 mi) & 20.05 km (12.5 mi), 2 tubes | 2006 | Lanzhou - Ürümqi railway |
| Yuelongmeng Tunnel | China (Sichuan) | 20.042 km (12.5 mi) & 19.981 km (12.4 mi), 2 tubes | 2023 | Chengdu–Lanzhou Railway |
| Simplon Tunnel | Italy/Switzerland (Lepontine Alps) | 19.8 km (12.3 mi) | 1906/1922 | Genève/Basel - Brig - Novara/Milano |
| Blix Tunnel | Norway (Oslo) | 19.5 km (12.1 mi) | 2023[18] | Follo Line |
| Qamchiq Tunnel[19] | Uzbekistan (Qurama Mountains) | 19.2 km (11.9 mi) | 2016 | Angren-Pap Railway |
| Muzhailing Tunnel[20] | China (Gansu) | 19.115 km (11.878 mi) & 19.095 km (11.9 mi), 2 tubes | 2017 | Chongqing–Lanzhou railway |
| Vereina Tunnel | Switzerland (Silvretta) | 19.1 km (11.9 mi) | 1999 | (Chur-) Klosters - Saglians |
| Xiaosanxia Tunnel[5] | China (Chongqing) | 18.954 km (11.777 mi) | 2022 | Zhengzhou-Wanzhou HSR |
| Xinhua Tunnel[5] | China (Hubei) | 18.790 km (11.676 mi) | 2022 | Zhengzhou-Wanzhou HSR |
| Shin Kanmon | Japan (Kanmon Straits) | 18.7 km (11.6 mi) | 1975 | Sanyō Shinkansen |
| Vaglia | Italy (Tuscan-Emilian Apennines) | 18.7 km (11.6 mi) | 2009 | Bologna–Florence high-speed railway |
| RER A Central Tunnel | France (Ile de France) | 18.5 km (11.5 mi) | 1977 | RER A |
| Apennine Base Tunnel | Italy (Apennine Mountains) | 18.5 km (11.5 mi) | 1934 | Bologna - Florence |
| Qinling Tunnel | China (Shaanxi) | 18.456 km (11.468 mi) & 18.452 km (11.466 mi), 2 tubes | 2002/2005 | Xi'an–Ankang railway |
| Zhongtiaoshan Tunnel[5] | China (Shaanxi) | 18.410 km (11.439 mi) & 18.405 km (11.436 mi), 2 tubes | 2019 | Haoji Railway |
| Dongming Tunnel[21] | China (Zhejiang) | 18.226 km (11.325 mi) | 2022 | Hangzhou–Shaoxing–Taizhou intercity railway |
| Shilin Tunnel | China (Yunnan) | 18.208 km (11.314 mi) | 2016 | Nanning–Kunming High-Speed Railway |
| South Taihangshan Tunnel | China (Shanxi) | 18.125 km (11.262 mi) & 18.108 km (11.252 mi), 2 tubes[22] | 2014 | Shanxi–Henan–Shandong railway |
| Xi'anling Tunnel[5] | China (Henan) | 18.069 km (11.228 mi) & 18.063 km (11.224 mi), 2 tubes | 2019 | Haoji Railway |
| Yinpanshan Tunnel[23] | China (Yunnan-Sichuan) | 17.934 km (11.144 mi) & 17.891 km (11.117 mi), 2 tubes | 2020 | Chengdu–Kunming Railway Double Track |
| Xuefengshan Tunnel[24] | China (Fujian) | 17.842 km (11.087 mi) & 17.826 km (11.077 mi), 2 tubes | 2013 | Xiangtang–Putian railway |
| Xiangshan Tunnel | China (Ningxia) | 17.765 km (11.0 mi) | 2022 | Yinchuan–Lanzhou high-speed railway |
| Xiuling Tunnel | China (Yunnan) | 17.623 km (10.950 mi) | 2022 | Dali-Ruili railway |
| Gaoganshan Tunnel[25] | China (Fujian) | 17.612 km (10.944 mi) & 17.594 km (10.932 mi), 2 tubes | 2013 | Xiangtang–Putian railway |
| Jixin Tunnel | China (Sichuan) | 17.607 km (10.940 mi) | 2022 | Chengdu–Kunming Railway Double Track |
| Jiufengshan #2 Tunnel | China (Fujian) | 17.596 km (10.934 mi) | 2020 | Quzhou–Ningde railway |
| Anding Tunnel | China (Yunnan) | 17.476 km (10.859 mi) | 2021 | Yuxi–Mohan railway |
| Wanhe Tunnel | China (Yunnan) | 17.441 km (10.837 mi) | 2021 | Yuxi–Mohan railway |
| Dagala Tunnel | China (Xizang) | 17.324 km (10.765 mi) | 2021 | Lhasa–Nyingchi railway |
| Pingbu Tunnel | China (Guangdong) | 17.185 km (10.678 mi) | 2020 | Guangzhou–Shenzhen intercity railway |
| Yongshouliang Tunnel[26][27] | China (Shaanxi) | 17.161 km (10.663 mi) & 17.155 km (10.660 mi), 2 tubes | 2013 | Xi'an–Pingliang railway |
| New Wushaoling Tunnel | China (Gansu) | 17.125 km (10.641 mi) | 2023 | Lanzhou-Zhangye High Speed Railway |
| Huangyan Tunnel | China (Hunan) | 17.030 km (10.582 mi) | 2018[28] | Huaihua–Shaoyang–Hengyang railway |
| Jiuwandashan #1 Tunnel | China (Guizhou) | 17.012 km (10.571 mi)[29] | 2023 | Guiyang–Nanning high-speed railway |
| Liupanshan Tunnel[30] | China (Gansu) | 16.725 km (10.392 mi)[a] | 2015 | Tianshui–Pingliang Railway |
| Jiufengshan #1 Tunnel | China (Fujian) | 16.646 km (10.343 mi) | 2019 | Quzhou–Ningde railway |
| Hadapu Tunnel | China (Gansu) | 16.6 km (10.3 mi) & 16.59 km (10.3 mi), 2 tubes | 2016 | Chongqing–Lanzhou Railway |
| Xiangjiang Tunnel | China (Hunan) | 16.600 km (10.3 mi) | 2017 | Changsha–Zhuzhou–Xiangtan intercity railway |
| Wushan Tunnel | China (Chongqing) | 16.571 km (10.297 mi) | 2022 | Zhengzhou-Wanzhou HSR |
| Sangzhuling Tunnel | China (Xizang) | 16.449 km (10.221 mi) | 2021 | Lhasa–Nyingchi railway |
| Liutongzhai Tunnel | China (Sichuan) | 16.312 km (10.136 mi) | 2023 | Chengdu–Lanzhou Railway |
| Rokkô Tunnel | Japan (Mount Rokkō) | 16.3 km (10.1 mi) | 1972 | Sanyō Shinkansen |
| Solan Tunnel | South Korea (Taebaek) | 16.2 km (10.1 mi) | 2012 | Yeongdong Line |
| Taiyueshan Tunnel[31] | China (Shanxi) | 16.194 km (10.062 mi) | 2014 | Shanxi Central-South railway |
| Baoshan Tunnel | China (Yunnan) | 16.097 km (10.002 mi) | 2023 | Dali-Ruili Railway |
| Münsterer Tunnel | Austria | 15.99 km (9.9 mi) | 2012 | Neue Unterinntalbahn |
| Tianhuashan Tunnel[32] | China (Shaanxi) | 15.989 km (9.935 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Dabanshan Tunnel[33] | China (Qinghai) | 15.918 km (9.891 mi) | 2014 | Lanzhou–Ürümqi High-Speed Railway |
| Xiangshan Tunnel | China (Fujian) | 15.917 km (9.890 mi) & 15.898 km (9.879 mi), 2 tubes | 2012 | Longyan–Xiamen Railway |
| Erqingshan Tunnel[34] | China (Shanxi) | 15.851 km (9.849 mi) | 2014 | Taiyuan-Xingxian Railway |
| Xinhua Tunnel | China (Yunnan) | 15.845 km (9.846 mi) | 2021 | Yuxi–Mohan Railway |
| Terfener Tunnel | Austria | 15.84 km (9.8 mi) | 2012 | Neue Unterinntalbahn |
| Heishan Tunnel[35] | China (Gansu) | 15.757 km (9.791 mi) | 2017 | Chongqing–Lanzhou Railway |
| Guanshan Tunnel[36] | China (Gansu) | 15.634 km (9.715 mi) | 2015 | Tianshui–Pingliang Railway |
| Daiyunshan Tunnel[3] | China (Fujian) | 15.623 km (9.708 mi) & 15.605 km (9.696 mi), 2 tubes | 2013 | Xiangtang–Putian Railway |
| Jiuwandashan #4 Tunnel | China (Guangxi) | 15.485 km (9.622 mi)[37] | 2023 | Guiyang–Nanning high-speed railway |
| Jiyi Tunnel[5] | China (Shaanxi) | 15.417 km (9.580 mi) | 2019 | Haoji Railway |
| Furka Base | Switzerland (Urner Alps) | 15.4 km (9.6 mi) | 1982 | Andermatt - Brig |
| Ceneri Base Tunnel | Switzerland (Lugano) | 15.4 km (9.6 mi) | 2020[38] | new Gotthard Railway |
| Haruna | Japan (Gunma Prefecture) | 15.4 km (9.6 mi) | 1982 | Jōetsu Shinkansen |
| Jiulingshan Tunnel[5] | China (Jiangxi) | 15.371 km (9.551 mi) | 2019 | Haoji Railway |
| Firenzuola | Italy (Tuscan-Emilian Apennines) | 15.3 km (9.5 mi) | 2009 | Bologna–Florence high-speed railway |
| Severomuyskiy | Russia (Severomuysky Range) | 15.3 km (9.5 mi) | 2001 | Baikal Amur Mainline |
| Changlong Tunnel | China (Guangdong) | 15.259 km (9.482 mi) | 2022 | Foshan-Dongguan Intercity Railway |
| Ganzhuang Tunnel | China (Yunnan) | 15.245 km (9.473 mi) | 2021 | Yuxi–Mohan Railway |
| Gorigamine Tunnel | Japan (Akaishi Mountains) | 15.175 km (9.4 mi) | 1997 | Hokuriku Shinkansen |
| Liulangshan Tunnel[5] | China (Shanxi) | 15.175 km (9.429 mi) | 2017 | Zhungeer-Shuozhou Railway |
| Laoanshan Tunnel | China (Shaanxi) | 15.161 km (9.421 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Xiangluping Tunnel | China (Hubei) | 15.154 km (9.416 mi) | 2022 | Zhengzhou-Wanzhou HSR |
| Du'an Tunnel | China (Guangxi) | 15.152 km (9.415 mi) | 2023 | Guiyang–Nanning high-speed railway |
| Chicheng Tunnel | China (Hebei) | 15.047 km (9.350 mi) | 2015 | Zhangjiakou–Tangshan railway |
| Monte Santomarco | Italy (Sila Mountains) | 15 km (9.3 mi) | 1987 | Paola - Cosenza |
| Gotthard Rail Tunnel | Switzerland (Lepontine Alps) | 15 km (9.3 mi) | 1882 | Gotthardbahn Luzern/Zürich - Lugano - Milano |
| Zhujiashan Tunnel | China (Gansu) | 14.949 km (9.289 mi) | 2017 | Baoji–Lanzhou High Speed Railway |
| Maotianshan Tunnel | China (Shaanxi) | 14.915 km (9.268 mi) | 2011 | Baotou-Xi'an Railway |
| Nakayama | Japan (Nakayama Pass) | 14.9 km (9.3 mi) | 1982 | Jōetsu Shinkansen |
| Daqinling Tunnel | China (Shaanxi) | 14.846 km (9.225 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Xinping Tunnel | China (Yunnan) | 14.835 km (9.218 mi) | 2021 | Yuxi–Mohan Railway |
| Bibanpo Tunnel | China (Yunnan & Guizhou) | 14.756 km (9.169 mi) | 2016 | Shanghai–Kunming High-Speed Railway |
| Bijiashan Tunnel | China (Gansu) | 14.751 km (9.166 mi) | 2017 | Baoji–Lanzhou High Speed Railway |
| Yulong Snow Mountain Tunnel | China (Yunnan) | 14.745 km (9.2 mi) | 2023 | Lijiang-Shangri-La Railway |
| El Sargento #4 | Peru | 14.724 km (9.149 mi)[39] | 1975 | Tacna-Moquegua |
| Mount Macdonald Tunnel | Canada (Rogers Pass) | 14.7 km (9.134 mi) | 1989 | Calgary - Revelstoke |
| Yanshan Tunnel[3][40] | China (Guizhou) | 14.695 km (9.131 mi) | 2014 | Guiyang–Guangzhou High-Speed Railway |
| Qianshiyan Tunnel | China (Zhejiang) | 14.684 km (9.124 mi) | 2023 | Ningbo-Jinhua Railway |
| Dapoling Tunnel | China (Yunnan) | 14.665 km (9.112 mi) | 2022 | Dali-Ruili Railway |
| Wuyishan Tunnel[41] | China (Fujian & Jiangxi) | 14.659 km (9.109 mi) | 2013 | Xiangtang–Putian Railway |
| North Wuyishan Tunnel | China (Fujian & Jiangxi) | 14.646 km (9.101 mi) | 2015 | Hefei–Fuzhou High-Speed Railway |
| Misaka Sasago Tunnel | Japan (Yamanashi) | 14.613 km (9.080 mi) | 1996 | Chuo Shinkansen (Yamanashi Test Track) |
| Lötschberg | Switzerland (Bernese Alps) | 14.6 km (9.1 mi) | 1913 | Lötschbergbahn Brig - Thun (- Bern - Basel) |
| Romeriksporten | Norway (Østmarka) | 14.6 km (9.1 mi) | 1999 | Gardermobanen |
| Sandu Tunnel[3] | China (Guizhou) | 14.598 km (9.071 mi) | 2014 | Guiyang–Guangzhou High-Speed Railway |
| Changleshan Tunnel | China (Zhejiang) | 14.597 km (9.070 mi) | 2020 | Quzhou–Ningde railway |
| Hongshiyan Tunnel[42] | China (Yunnan) | 14.580 km (9.060 mi) | 2015 | Nanning–Kunming High-Speed Railway |
| Baokang Tunnel[5] | China (Hubei) | 14.574 km (9.056 mi)[43] | 2022 | Zhengzhou-Wanzhou HSR |
| Fajiushan Tunnel[44] | China (Shanxi) | 14.573 km (9.055 mi) | 2014 | Shanxi Central-South Railway |
| Duoji Tunnel | China (Yunnan) | 14.539 km (9.034 mi) | 2021 | Yuxi–Mohan Railway |
| Dazhongshan Tunnel[5] | China (Henan) | 14.533 km (9.030 mi) | 2019 | Haoji Railway |
| Tianchiping Tunnel | China (Gansu) | 14.528 km (9.027 mi) | 2016 | Chongqing–Lanzhou Railway |
| Taiping Tunnel[5] | China (Guangdong) | 14.49 km (9.00 mi) | 2019 | Guangzhou–Shenzhen intercity railway |
| Dazhushan Tunnel | China (Yunnan) | 14.484 km (9.000 mi) | 2022 | Dali-Ruili Railway |
| Fengshun Tunnel[5] | China (Guangdong) | 14.407 km (8.952 mi) | 2019 | Meizhou–Chaoshan railway |
| Dechang Tunnel | China (Sichuan) | 14.365 km (8.926 mi) | 2021 | Chengdu–Kunming Railway Double Track |
| Dayaoshan Tunnel | China (Guangdong) | 14.295 km (8.883 mi) | 1987 | Beijing - Guangzhou Railway |
| Binxian Tunnel | China (Shaanxi) | 14.251 km (8.855 mi) | 2020 | Yinchuan–Xi'an high-speed railway |
| Baekwoon Tunnel[citation needed] | South Korea (Kangwon) | 14.239 km (8.8 mi) | 2021 | Jungang line |
| Dajianshan Tunnel | China (Yunnan) | 14.197 km (8.822 mi)[45] | 2021 | Yuxi–Mohan Railway |
| Deli Tunnel | China (Shaanxi) | 14.167 km (8.803 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Aobaoliang Tunnel | China (Inner Mongolia) | 14.123 km (8.776 mi) | 2017 | Hohhot-Zhungeer-Erdos Railway |
| Jinguashan Tunnel[46] | China (Fujian) | 14.097 km (8.759 mi) | 2013 | Xiangtang–Putian Railway |
| Liulang Tunnel | China (Yunnan) | 14.09 km (8.76 mi) | 2016 | Nanning–Kunming High-Speed Railway |
| Yanmengguan Tunnel[47] | China (Shanxi) | 14.085 km (8.752 mi) | 2014[48] | Datong–Xi'an HSR |
| Yuezhishan Tunnel | China (Sichuan) | 14.085 km (8.752 mi)[49] | 2022 | Chengdu–Kunming Railway Double Track |
| Linbaoshan Tunnel | China (Yunnan) | 14.076 km (8.746 mi)[50] | 2020 | Dali-Lincang Railway |
| Shiziyuan Tunnel | China (Sichuan) | 14.069 km (8.7 mi)[51] | 2023 | Chengdu–Lanzhou Railway |
| Tianpingshan Tunnel[52][53] | China (Guangxi) | 14.012 km (8.707 mi) | 2014 | Guiyang–Guangzhou High-Speed Railway |
| Tianping Tunnel | China (Guizhou) | 13.978 km (8.686 mi) | 2018 | Chongqing–Guizhou High-Speed Railway |
| Maijishan Tunnel | China (Gansu) | 13.947 km (8.666 mi) | 2017 | Baoji–Lanzhou High Speed Railway |
| Qingyang Tunnel[5] | China (Gansu) | 13.937 km (8.660 mi)[54] | 2020 | Yinchuan–Xi'an high-speed railway |
| Tongmashan Tunnel | China (Guizhou) | 13.929 km (8.655 mi) | 2014 | Guiyang–Guangzhou High-Speed Railway |
| Wan'an Tunnel[5] | China (Jiangxi) | 13.927 km (8.654 mi) | 2019 | Nanchang–Ganzhou High-Speed Railway |
| Hokuriku | Japan (Mount Kinome) | 13.9 km (8.6 mi) | 1962 | Hokuriku Main Line |
| Anming Tunnel | China (Zhejiang) | 13.856 km (8.610 mi) | 2020 | Quzhou–Ningde railway |
| Yesanguan Tunnel | China (Hubei) | 13.838 km (8.599 mi) & 13.7961 km (8.5725 mi), 2 tubes | 2009 | Yichang–Wanzhou railway |
| Pupeng #1 Tunnel | China (Gansu) | 13.795 km (8.572 mi) | 2018 | Guangtong–Dali Railway |
| Meihuashan Tunnel | China (Fujian) | 13.778 km (8.561 mi) | 2015[55] | Ganzhou–Longyan Railway |
| Daiyunshan 1# Tunnel | China (Fujian) | 13.720 km (8.5 mi)[56] | 2022 | Xingguo–Quanzhou railway |
| Baofengshan Tunnel | China (Guangxi) | 13.708 km (13,708 m) | 2014 | Guiyang–Guangzhou High-Speed Railway |
| Funing Tunnel | China (Yunnan) | 13.625 km (8.466 mi) | 2016 | Nanning–Kunming High-Speed Railway |
| Humaling Tunnel | China (Gansu) | 13.611 km (8.457 mi) | 2017 | Chongqing–Lanzhou Railway |
| North Tianshan Tunnel | China (Xinjiang) | 13.61 km (8.5 mi) | 2009 | Jinghe-Yining-Khorgos Railway |
| Marmaray | Turkey (Istanbul) | 13.6 km (8.5 mi) | 2013 | Marmaray |
| Gongduding Tunnel | China (Xizang) | 13.590 km (8.444 mi)[57] | 2021 | Lhasa–Nyingchi railway |
| Laobishan Tunnel | China (Sichuan) | 13.579 km (8.4 mi)[58] | 2022 | Chengdu–Kunming Railway Double Track |
| Mengyang Tunnel | China (Yunnan) | 13.539 km (8.413 mi) | 2021 | Yuxi–Mohan Railway |
| Wanggangshan Tunnel | China (Yunnan) | 13.508 km (8.393 mi)[59] | 2021 | Yuxi–Mohan Railway |
| Fréjus | Italy/France (Mont Cenis) | 13.5 km (8.4 mi) | 1871 | Lyon - Turin |
| Shin-Shimizu Tunnel | Japan (Mount Tanigawa) | 13.5 km (8.4 mi) | 1967 | Jōetsu Line |
| Hex River | South Africa (Hex River Pass) | 13.5 km (8.4 mi) | 1989 | Pretoria - Cape Town |
| Savio Rail Tunnel | Finland (Uusimaa) | 13.5 km (8.4 mi) | 2008 | Kerava - Vuosaari |
| Fengjie Tunnel | China (Chongqing) | 13.473 km (8.372 mi) | 2022 | Zhengzhou-Wanzhou HSR |
| Wanshoushan Tunnel[60][61] | China (Chongqing) | 13.468 km (8.369 mi) | 2013 | Chongqing–Lichuan railway |
| Xiao'an Tunnel | China (Sichuan) | 13.430 km (8.345 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Jueshan Tunnel | China (Shanxi) | 13.421 km (8.339 mi) | 2020 | Taiyuan-Jiaozuo Intercity Railway |
| Jiaozishan Tunnel[5] | China (Yunnan) | 13.406 km (8.330 mi) | 2019 | Chengdu–Kunming Railway Double Track |
| Daliangshan Tunnel[5] | China (Shanxi & Hebei) | 13.395 km (8.323 mi) | 2019 | Datong-Zhangjiakou High-Speed Railway |
| Shanyang Tunnel | China (Yunnan) | 13.39 km (8.3 mi) | 2022 | Dali-Ruili Railway |
| Tuoan Tunnel[5] | China (Yunnan) | 13.371 km (8.308 mi) | 2019 | Chengdu–Kunming Railway Double Track |
| Baiyunshan Tunnel | China (Sichuan) | 13.340 km (8.3 mi) | 2023 | Chengdu-Zigong High-Speed Railway |
| Baoanyin #1 Tunnel | China (Sichuan) | 13.326 km (8.280 mi)[62] | 2020 | Chengdu–Kunming Railway Double Track |
| Wonhyo Tunnel | South Korea (Ulsan) | 13.3 km (8.3 mi) | 2010 | Gyeongbu High Speed Railway |
| Changhongling Tunnel | China (Chongqing) | 13.294 km (8.261 mi) | 2013 | Chongqing-Lichuan Railway |
| Schlern Tunnel | Italy (South Tyrol) | 13.287 km (8.3 mi) | 1993 | Brenner Railway |
| Dabieshan Tunnel | China (Hubei) | 13.256 km (8.237 mi) | 2008 | Hefei–Wuhan railway |
| Badong Tunnel[5] | China (Hubei) | 13.238 km (8.226 mi)[63] | 2022 | Zhengzhou-Wanzhou HSR |
| Liaoxi Tunnel | China (Liaoning) | 13.205 km (8.205 mi) | 2018 | Beijing–Shenyang High-Speed Railway |
| Aerjin Tunnel | China (Xinjiang) | 13.195 km (8.199 mi) | 2020 | Golmud-Korla Railway |
| Xiuning Tunnel | China (Yunnan) | 13.187 km (8.194 mi) | 2013 | Chengdu–Kunming Railway Double Track |
| Gangwu Tunnel | China (Guizhou) | 13.187 km (8.194 mi) | 2016 | Shanghai–Kunming High-Speed Railway |
| Songyang Tunnel | China (Zhejiang) | 13.166 km (8.181 mi) | 2020 | Quzhou–Ningde railway |
| Dongjiang Tunnel | China (Guangdong) | 13.123 km (8.154 mi) | 2016 | Guanzhou-Huizhou Intercity Railway |
| Furenshan Tunnel | China (Shaanxi) | 13.101 km (8.141 mi) | 2017 | Xi'an–Chengdu High-Speed Railway |
| Caponero-Capoverde | Italy | 13.1 km (8.1 mi) | 2001 | Genova-Ventimiglia |
| Xiapu Tunnel | China (Fujian) | 13.099 km (8.139 mi) | 2009 | Wenzhou-Fuzhou Railway |
| Bayu Tunnel | China (Xizang) | 13.073 km (8.123 mi)[64] | 2021 | Lhasa–Nyingchi railway |
| Mengla Tunnel | China (Yunnan) | 13.018 km (8.089 mi)[65] | 2021 | Yuxi–Mohan Railway |
| Aki | Japan | 13.0 km (8.1 mi) | 1975 | Sanyo Shinkansen |
| Name | Location | Length | Expected completion | Line |
|---|---|---|---|---|
| Mont d'Ambin Base Tunnel[66] | France/Italy (Cottian Alps) | 57.5 km (35.7 mi) | 2032[67] | Lyon Turin Ferroviaire |
| Brenner Base Tunnel | Austria/Italy (Stubai Alps) | 55 km (34.2 mi) | 2032[68] | Brenner Railway |
| Yigong Tunnel[69][70] | China (Tibet) | 42.362 km (26.3 mi) | 2030 | Sichuan-Tibet railway |
| Shanghai Airport Tunnel | China (Shanghai) | 40.188 km (25.0 mi) | 2025 | Shanghai Airports Connection Rail Line |
| Sejila Mountain Tunnel[69][70] | China (Tibet) | 37.965 km (23.6 mi) | 2030 | Sichuan-Tibet railway |
| Metropolitan Area Tunnel No. 1[71] | Japan (Tokyo) | 36.924 km (22.9 mi) | 2027 | Chūō Shinkansen |
| Pearl River Tunnel[72] | China (Guangdong) | 36.043 km (22.4 mi) | 2023 | Guangzhou–Foshan circular intercity railway |
| Gaoligongshan Tunnel | China (Yunnan) | 34.538 km (21.5 mi) | 2025[73] | Dali-Ruili Railway |
| Duomuge Tunnel[69] | China (Tibet) | 34.348 km (21.3 mi) | 2030 | Sichuan-Tibet railway |
| Chukyo Area Tunnel No.1[71] | Japan (Aichi) | 34.210 km (21.3 mi) | 2027 | Chūō Shinkansen |
| Deda Tunnel | China (Sichuan) | 33.350 km (20.7 mi) | 2030 | Sichuan-Tibet railway |
| Haizishan Tunnel | China (Sichuan) | 33.020 km (20.5 mi) | 2030 | Sichuan-Tibet railway |
| Koralm Tunnel | Austria (Koralpe) | 32.9 km (20.4 mi) | 2026 | Koralm Railway |
| Oshima Tunnel | Japan (Hokkaido) | 32.675 km (20.3 mi) | 2031 | Hokkaidō Shinkansen |
| Layue Tunnel | China (Tibet) | 31.675 km (19.7 mi) | 2030 | Sichuan-Tibet railway |
| Mangkangshan Tunnel | China (Tibet) | 30.675 km (19.1 mi) | 2030 | Sichuan-Tibet railway |
| Zilashan Tunnel | China (Tibet) | 30.010 km (18.6 mi) | 2030 | Sichuan-Tibet railway |
| Shenwan Tunnel | China (Guangdong) | 29.944 km (18.6 mi) | 2028 | Shenzhen-Zhanjiang high-speed railway |
| Boshulaling Tunnel | China (Tibet) | 29.068 km (18.1 mi) | 2030 | Sichuan-Tibet railway |
| Milashan Tunnel | China (Sichuan) | 29.030 km (18.0 mi) | 2030 | Sichuan-Tibet railway |
| Yelashan Tunnel | China (Tibet) | 28.639 km (17.8 mi) | 2030 | Sichuan-Tibet railway |
| Pingshandong Tunnel | China (Guangdong) | 27.885 km (17.327 mi) | 2025 | Shenzhen-Shanwei HSR |
| Valico Tunnel | Italy (Liguria, Piedmont) | 27.342 km (17.0 mi) | 2026[74] | Tortona–Genoa high-speed railway |
| Semmering Base Tunnel | Austria (Raxalpe) | 27.3 km (17.0 mi) | 2030[75] | Southern Railway |
| Hirpinia Tunnel[76] | Italy (Campania) | 27 km (16.78 mi) | 2027 | Naples–Foggia railway |
| Baolingshan Tunnel | China (Sichuan) | 26.547 km (16.5 mi) | 2030 | Sichuan-Tibet railway |
| Sasson Tunnel | Japan (Hokkaido) | 26.23 km (16.3 mi) | 2031 | Hokkaidō Shinkansen |
| Gongjue Tunnel | China (Tibet) | 26.175 km (16.3 mi) | 2030 | Sichuan-Tibet railway |
| Minshan Tunnel | China (Sichuan) | 25.047 km (15.6 mi) | 2023 | Chengdu–Lanzhou Railway |
| Southern Alps Tunnel[71] | Japan (Nagano) | 25.019 km (15.5 mi) | 2027 | Chūō Shinkansen |
| Yiliang Tunnel | China (Yunnan) | 24.832 km (15.430 mi) & 24.784 km (15.400 mi) | 2027 | Chongqing-Kunming High Speed Railway |
| Duoji Tunnel | China (Tibet) | 24.188 km (15.0 mi) | 2030 | Sichuan-Tibet railway |
| Qiazilashan Tunnel | China (Sichuan) | 23.980 km (14.9 mi) | 2030 | Sichuan-Tibet railway |
| Central Alps Tunnel[71] | Japan (Nagano) | 23.288 km (14.5 mi) | 2027 | Chūō Shinkansen |
| Bangda Tunnel | China (Tibet) | 22.985 km (14.3 mi) | 2030 | Sichuan-Tibet railway |
| Qinling Mabaishan Tunnel | China (Shaanxi) | 22.922 km (14.2 mi) | 2026 | Xi'an–Shiyan HSR |
| Ganqing Tunnel | China (Gansu, Qinghai) | 22.38 km (13.9 mi) | 2028 | Chengdu–Lanzhou Railway |
| Qianhuang Tunnel | China (Guangdong) | 22.218 km (13.8 mi) | 2026 | Guangzhou-Shenzhen Intercity Railway |
| Xigu Tunnel | China (Gansu) | 22.055 km (13.7 mi) | 2027 | Lanzhou-Hezuo Railway |
| Haidong Nanshan Tunnel | China (Qinghai) | 21.595 km (13.4 mi) | 2028 | Xining-Chengdu Railway |
| Kangyu Tunnel | China (Tibet) | 21.340 km (13.3 mi) | 2030 | Sichuan-Tibet railway |
| Zhazong Tunnel | China (Tibet) | 21.235 km (13.2 mi) | 2030 | Sichuan-Tibet railway |
| Binghui Tunnel | China (Yunnan) | 21.170 km (13.2 mi) | 2026 | Chongqing-Kunming High Speed Railway |
| Thane Creek Tunnel[77] | India (Mumbai) | 21.150 km (13.1 mi)[78] | 2028[79] | Mumbai–Ahmedabad High Speed Railway |
| Kangding No2 Tunnel | China (Sichuan) | 20.793 km (12.9 mi) | 2030 | Sichuan-Tibet railway |
| Honglashan Tunnel | China (Tibet) | 20.220 km (12.6 mi) | 2030 | Sichuan-Tibet railway |
| Anhua Tunnel | China (Gansu) | 19.98 km (12.4 mi) | 2027 | Tianshui-Longnan Railway |
| Alia Tunnel[80] | Italy (Sicily) | 19.9 km (12.4 mi)[81] | 2030[82] | Palermo-Catania Railway |
| New Maijishan Tunnel | China (Gansu) | 19.818 km (12.3 mi) | 2027 | Tianshui-Longnan Railway |
| Shin Hokuriku Tunnel | Japan (Fukui) | 19.760 km (12.3 mi) | 2024 | Hokuriku Shinkansen |
| Tanglangshan Tunnel | China (Guangdong) | 19.19 km (11.92 mi) | 2025 | Shenzhen-Shanwei HSR |
| Xiamen Bay Under-sea Tunnel | China (Fujian) | 18.950 km (11.775 mi) | 2027 | Xiamen-Zhangzhou Intercity Railway |
| Qingling Taixing Tunnel | China (Shaanxi) | 18.840 km (11.707 mi) | 2026 | Xi'an-Ankang HSR |
| Gaoersishan Tunnel | China (Sichuan) | 18.840 km (11.707 mi) | 2030 | Sichuan-Tibet railway |
| Langlashan Tunnel | China (Tibet) | 18.840 km (11.707 mi) | 2030 | Sichuan-Tibet railway |
| Longgang Tunnel | China (Guangdong) | 18.323 km (11.385 mi) | 2025 | Shenzhen-Shanwei HSR |
| Geinieshan Tunnel | China (Sichuan) | 18.175 km (11.293 mi) | 2030 | Sichuan-Tibet railway |
| Yingjinshan No1 Tunnel | China (Sichuan) | 18.141 km (11.272 mi) | 2030 | Sichuan-Tibet railway |
| Xiling Tunnel | China (Shaanxi) | 18.090 km (11.2 mi) | 2026 | Xi'an–Shiyan HSR |
| Shiribeshi Tunnel | Japan (Hokkaido) | 17.975 km (11.2 mi) | 2031 | Hokkaido Shinkansen |
| Changdu Tunnel | China (Tibet) | 17.801 km (11.061 mi) | 2030 | Sichuan-Tibet railway |
| Moxi Tunnel | China (Sichuan) | 17.763 km (11.037 mi) | 2030 | Sichuan-Tibet railway |
| Yijun Tunnel | China (Shaanxi) | 17.509 km (10.9 mi) | 2025 | Xi'an-Yan'an HSR |
| Kangding Tunnel | China (Sichuan) | 17.300 km (10.750 mi) | 2030 | Sichuan-Tibet railway |
| Shangli Tunnel | China (Guangxi) | 17.271 km (10.732 mi) | 2028 | Huangtong-Baise railway |
| Pazhou Tunnel | China (Guangdong) | 17.204 km (10.7 mi) | 2023 | Guangzhou-Dongguan-Shenzhen Intercity Railway Pazhou Branch |
| Fehmarn Belt tunnel | Germany/Denmark (Fehmarn Belt) | 17.143 km (10.6 mi) | 2029 | Copenhagen–Hamburg |
| Tateiwa Tunnel | Japan (Hokkaido) | 16.980 km (10.6 mi) | 2031 | Hokkaido Shinkansen |
| Xingshandong Tunnel | China (Hubei) | 16.883 km (10.5 mi) | 2025 | Yichang–Xingshan HSR |
| Baoyun Tunnel | China (Yunnan) | 16.830 km (10.5 mi) | 2026 | Chongqing-Kunming High Speed Railway |
| Huashansong Tunnel | China (Yunnan) | 16.460 km (10.2 mi) | 2026 | Chongqing-Kunming High Speed Railway |
| Fuxian Tunnel | China (Shaanxi) | 16.293 km (10.1 mi) | 2025 | Xi'an-Yan'an HSR |
| Xujiaping Tunnel | China (Gansu) | 16.270 km (10.110 mi) | 2027 | Tianshui-Longnan Railway |
| Zhaotong Tunnel | China (Yunnan) | 16.26 km (10.1 mi) | 2026 | Chongqing-Kunming High Speed Railway |
| Jintang Tunnel | China (Zhejiang) | 16.180 km (10.054 mi) | 2026 | Zhoushan-Ningbo Railway |
| Dongdashan Tunnel | China (Tibet) | 16.045 km (9.970 mi) | 2030 | Sichuan-Tibet railway |
| Chiltern tunnel[83] | United Kingdom | 16.04 km (9.97 mi) | 2029[84] | High Speed 2 |
| New Yan'an Tunnel | China (Shaanxi) | 16.000 km (9.942 mi) | 2025 | Xi'an-Yan'an HSR |
| New Santomarco Tunnel[85] | Italy (Calabria) | 15.8 km (9.8 mi) | 2026 | Paola - Cosenza railway |
| Uchiura Tunnel | Japan (Hokkaido) | 15.560 km (9.7 mi) | 2031 | Hokkaido Shinkansen |
| Suzhou East Tunnel | China (Jiangsu) | 15.565 km (9.672 mi) | 2027 | Nantong-Ningbo high-speed railway |
| Ludian Tunnel | China (Yunnan) | 15.504 km (9.6 mi) | 2026 | Chongqing-Kunming High Speed Railway |
| Shenwan Tunnel | China (Guangdong) | 15.469 km (9.612 mi) | 2025 | Shenzhen-Zhanjiang High-Speed Railway |
| Scaleres Tunnel[86] | Italy (Trentino-Alto Adige) | 15.4 km (9.56 mi) | 2027 | Brenner railway |
| Jifengshan Tunnel | China (Gansu) | 15.385 km (9.560 mi) | 2027 | Tianshui-Longnan Railway |
| Ina Mountains Tunnel[71] | Japan (Nagano) | 15.300 km (9.5 mi) | 2027 | Chūō Shinkansen |
| Devprayag Rail Tunnel[87] | India (Uttarakhand) | 15.270 km (9.5 mi) | 2025 | Rishikesh–Karnaprayag Railway |
| Fengshuling Tunnel | China (Zhejiang) | 15.185 km (9.436 mi) | 2026 | Quzhou-Lishui Railway |
| Huangzhuguan Tunnel | China (Gansu) | 15.164 km (9.422 mi) | 2027 | Tianshui-Longnan Railway |
| Guifengshan Tunnel | China (Guangdong) | 15.155 km (9.4 mi) | 2026 | Zhuhai-Zhaoqing HSR |
| Liulin Tunnel | China (Gansu) | 15.152 km (9.415 mi) | 2027 | Tianshui-Longnan Railway |
| Pingluo Tunnel | China (Gansu) | 15.032 km (9.340 mi) | 2027 | Tianshui-Longnan Railway |
| Daxing'anling Tunnel | China (Inner Mongolia) | 14.970 km (9.302 mi) | 2027 | Harbin-Manzhouli Railway |
| Qunke Tunnel | China (Gansu) | 14.955 km (9.3 mi) | 2028 | Chengdu–Lanzhou Railway |
| Duomuge Tunnel | China (Tibet) | 14.884 km (9.248 mi) | 2030 | Sichuan-Tibet railway |
| Tiefengshan Tunnel | China (Chongqing) | 14.783 km (9.186 mi) | 2028 | Chongqing-Xi'an HSR |
| Hengshan Tunnel | China (Shanxi) | 14.76 km (9.2 mi)[88] | 2025 | Jining–Datong–Yuanping HSR |
| Tianzhushan No1 Tunnel | China (Shaanxi) | 14.742 km (9.160 mi) | 2026 | Xi'an–Shiyan HSR |
| Erlangshan Tunnel | China (Sichuan) | 14.732 km (9.154 mi) | 2030 | Sichuan-Tibet railway |
| Dabieshan Tunnel | China (Anhui - Hubei) | 14.698 km (9.133 mi) | 2028 | Shanghai-Chongqing-Chengdu High Speed Railway |
| Kaole Tunnel | China (Gansu) | 14.659 km (9.109 mi) | 2027 | Lanzhou-Hezuo Railway |
| Tongbaiyuan No1 Tunnel | China (Shaanxi) | 14.616 km (9.1 mi) | 2028 | Yan'an-Yulin-Ordos High Speed Railway |
| Hiyoshi Tunnel[71] | Japan (Gifu) | 14.532 km (9.0 mi) | 2027 | Chūō Shinkansen |
| Linjiashan Tunnel | China (Shaanxi) | 14.530 km (9.029 mi) | 2026 | Xi'an-Ankang HSR |
| Yujialiang Tunnel | Shaanxi | 14.504 km (9.012 mi) | 2028 | Chongqing-Xi'an High Speed Railway |
| Nanjing South Station Tunnel | China (Jiangsu) | 14.442 km (8.974 mi) | 2026 | Nanjing-Wuhu Railway |
| Chongming-Taicang Yangtse River Tunnel | China (Jiangsu-Shanghai) | 14.250 km (8.855 mi) | 2028 | Shanghai–Nanjing–Hefei high-speed railway |
| Xierluo Tunnel | China (Sichuan) | 14.240 km (8.8 mi) | 2030 | Sichuan-Tibet railway |
| East Dabashan Tunnel | China (Shaanxi - Chongqing) | 14.172 km (8.806 mi) | 2028 | Chongqing-Xi'an High Speed Railway |
| Jinggangshan Tunnel | China (Jiangxi) | 14.110 km (8.768 mi) | 2028 | Chongqing-Xiamen High Speed Railway |
| Wutaishan Tunnel | China (Shanxi) | 14.086 km (8.753 mi) | 2027 | Xiong'an-Xinzhou High speed railway |
| Lulang Tunnel | China (Tibet) | 14.052 km (8.732 mi) | 2030 | Sichuan-Tibet railway |
| Patalpani Rail Tunnel | India (Madhya Pradesh) | 14.000 km (8.7 mi)[citation needed] | 2025 | Dr. Ambedkar Nagar (Mhow) - Omkareshwar Road |
| Shangyuanmen Tunnel | China (Jiangsu) | 13.970 km (8.681 mi) | 2029 | Nanjing-Huai'an high speed railway |
| Niyu Tunnel | China (Tibet) | 13.895 km (8.634 mi) | 2030 | Sichuan-Tibet railway |
| Changgangling Tunnel | China (Hubei) | 13.751 km (8.5 mi) | 2025 | Yichang–Xingshan HSR |
| Zhujiangkou Tunnel | China (Guangdong) | 13.690 km (8.5 mi)[89] | 2025 | Shenzhen–Zhanjiang high-speed railway |
| Qixinping Tunnel | China (Sichuan) | 13.669 km (8.494 mi) | 2028 | Chongqing-Xi'an High Speed Railway |
| Taikang Tunnel | China (Shaanxi) | 13.595 km (8.448 mi) | 2025 | Xi'an-Yan'an HSR |
| Northolt Tunnel[90] | United Kingdom | 13.5 km (8.4 mi) | 2029[91] | High Speed 2 |
| Dangshun Tunnel | China (Qinghai) | 13.493 km (8.384 mi) | 2028 | Xining–Chengdu high-speed railway |
| Dayi Tunnel | China (Guizhou) | 13.475 km (8.373 mi) | 2028 | Huangtong-Baise railway |
| Henggang Tunnel | China (Guangdong) | 13.450 km (8.357 mi) | 2027 | Pinghu'nan-Yantiangang railway |
| Baimashan Tunnel | China (Chongqing) | 13.407 km (8.3 mi) | 2025 | Chongqing-Changsha High Speed Railway |
| Trinacria Tunnel[92] | Italy (Sicily) | 13.4 km (8.3 mi) | 2030 | Palermo-Catania Railway |
| Pamuling Tunnel | China (Sichuan) | 13.340 km (8.3 mi) | 2030 | Sichuan-Tibet railway |
| Tuole Tunnel | China (Guizhou) | 13.317 km (8.3 mi) | 2025 | Panzhou-Xingyi HSR |
| Xin'an Tunnel | China (Shaanxi) | 13.300 km (8.264 mi) | 2028 | Baoji-Zhongwei railway |
| Changlinggang Tunnel | China (Chongqing) | 13.295 km (8.3 mi) | 2026 | Chongqing-Wanzhou HSR |
| Qinling Jiutianshan Tunnel | China (Shaanxi) | 13.293 km (8.3 mi) | 2026 | Chongqing-Xi'an HSR |
| Wankai Tunnel | China (Chongqing) | 13.211 km (8.209 mi) | 2027 | Chengdu-Wanzhou high speed railway |
| Xilang Tunnel | China (Guangdong) | 13.210 km (8.208 mi) | 2027 | Guangzhou Railway Hub connection line |
| Huajiashang Tunnel | China (Shaanxi) | 13.153 km (8.2 mi) | 2026 | Chongqing-Xi'an HSR |
| Yuanling Tunnel | China (Hubei) | 13.110 km (8.1 mi) | 2026 | Xi'an–Shiyan HSR |
| Angsiduo Tunnel | China (Qinghai) | 13.105 km (8.1 mi) | 2028 | Xining-Chengdu Railway |
| Pingla Tunnel | China (Guangxi) | 13.086 km (8.131 mi) | 2028 | Huangtong-Baise railway |
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