Longest rail tunnel
The current longest rail tunnel record is 35.5 miles, held by Gotthard Base Tunnel, set on June 1, 2016. Last checked October 10, 2026.
35.5
miles
Gotthard Base Tunnel
- Holder
- Gotthard Base Tunnel
- Record
- 35.5 miles
- Metric
- 57.1 km
- Exact figure
- 57.104 km
- Location
- Uri and Ticino, Switzerland
- Date set
- June 1, 2016
- Last checked
- October 10, 2026
Put it in perspective
At 35.5 miles, it is as long as 1.4 marathons laid end to end.
Gotthard Base Tunnel35.5 miles
A marathon26.2 miles
English Channel, narrowest crossing20.7 miles
Manhattan, end to end13.4 miles
Golden Gate Bridge8,980 ft
Sources
- Wikipedia Gotthard Base Tunnel CC BY-SA 4.0
- Structurae Gotthard base tunnel
- spotatrain.com Gotthard base tunnel
- cityviking.com Longest rail tunnels in the world
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