National Highway 544, commonly referred to as NH 544, is a 340-kilometre-long (210 mi) National Highway in South India connecting Salem in Tamil Nadu to Kochi in Kerala. It is a spur of National Highway 44 and forms part of the North–South corridor of the National Highway Development Project. The highway passes through the towns of Erode, Coimbatore, Palakkad, and Thrissur. It was formerly designated National Highway 47.