7 longest Railway Tunnels In The World

7. Guadarrama Tunnel, Spain

28.37 km (17.6 mi), inaugurated in 2009. This high-speed train tunnel connects Valladolid with Madrid, passing beneath the Sierra de Guadarrama mountains.

6. New Guanjiao Tunnel, China

32.6 km (20.2 mi), inaugurated in 2012. Xian and Chengdu are connected by this high-speed rail tunnel.

5. Lötschberg Base Tunnel, Switzerland

34.57 km (21.5 miles), first available in 2007. This railroad tunnel connects the cantons of Bern and Valais and passes beneath the Bernese Alps.

4. Yulhyeon Tunnel, South Korea

50.3 km (31.2 mi), inaugurated in 2016. Daejeon and Gwangju are connected by this high-speed rail tunnel.

3. Channel Tunnel, France - United Kingdom

50.45 km (31.3 mi), inaugurated in 1994. Under the English Channel, this railway and shuttle tunnel links France with the United Kingdom.

2. Seikan Tunnel, Japan

53.85 km (33.5 mi), inaugurated in 1988. This railway tunnel crosses the Tsugaru Strait to link the islands of Honshu and Hokkaido.

1. Gotthard Base Tunnel, Switzerland

57.1 km (35.5 mi), inaugurated in 2016. This railway tunnel, which carries freight and passengers, is the longest in the world and passes beneath the Swiss Alps.