The Longest Railway Tunnel is located in ___________?

A. Italy B. Japan C. Switzerland D. None of these The longest railway tunnel is located in Switzerland Name Location Length in km Gotthard Base Tunnel Switzerland (Alps) 57.104 km Seikan Tunnel Japan (Tsugaru Strait) 53.85 km Channel Tunnel France/United Kingdom (English Channel) 50.45 km Yulhyeon Tunnel South Korea (Gyeonggi) 50.3 km  Songshan Lake Tunnel  China (Dongguan) 38.813 km