# The longest railway tunnels in the world

The Gotthard Base Tunnel under the Alps, the undersea Seikan and Channel tunnels: the world's longest railway tunnels. Which ones have you travelled through?

- 0 votes · 22 items
- Feb 7, 2026 · osakarekishi
- https://even.best/en/l/2888/the-longest-railway-tunnels-in-the-world

## Top 22

1. **Gotthard Base Tunnel (Switzerland)** (0 · ▲0 ▼0) — About 57 km. Opened in 2016, the longest railway tunnel in the world.
2. **Seikan Tunnel (Japan)** (0 · ▲0 ▼0) — About 54 km. The undersea tunnel linking Honshu and Hokkaido, opened in 1988.
3. **Channel Tunnel** (0 · ▲0 ▼0) — About 50 km. Linking Britain and France, opened in 1994.
4. **Yulhyeon Tunnel (South Korea)** (0 · ▲0 ▼0) — About 50 km. The tunnel of the SRT high-speed line near Seoul.
5. **Shanghai Airport Link Tunnel (China)** (0 · ▲0 ▼0) — About 40 km. Completed in 2024.
6. **Songshan Lake Tunnel (China)** (0 · ▲0 ▼0) — About 39 km. On the Dongguan–Huizhou intercity railway.
7. **Shenzhen–Hong Kong Tunnel** (0 · ▲0 ▼0) — About 36 km. The tunnel of the Guangzhou–Shenzhen–Hong Kong high-speed line.
8. **Lötschberg Base Tunnel (Switzerland)** (0 · ▲0 ▼0) — About 35 km. Under the Bernese Alps, opened in 2007.
9. **Koralm Tunnel (Austria)** (0 · ▲0 ▼0) — About 33 km. A new tunnel opened in 2025.
10. **New Guanjiao Tunnel (China)** (0 · ▲0 ▼0) — About 33 km. On the Qinghai–Tibet Railway.
11. **Guadarrama Tunnel (Spain)** (0 · ▲0 ▼0) — About 28 km. On the Madrid–Asturias high-speed line.
12. **Ping'an Tunnel (China)** (0 · ▲0 ▼0) — About 28 km. Chengdu–Lanzhou Railway, 2023.
13. **West Qinling Tunnel (China)** (0 · ▲0 ▼0) — About 28 km. Chongqing–Lanzhou Railway.
14. **Taihang Tunnel (China)** (0 · ▲0 ▼0) — About 28 km. Shijiazhuang–Taiyuan high-speed railway.
15. **Hakkōda Tunnel (Japan)** (0 · ▲0 ▼0) — About 26 km. Tōhoku Shinkansen, opened in 2010.
16. **Iwate-Ichinohe Tunnel (Japan)** (0 · ▲0 ▼0) — About 26 km. Tōhoku Shinkansen, opened in 2002.
17. **Musil Tunnel (South Korea)** (0 · ▲0 ▼0) — About 25 km. Jungang Line, 2021.
18. **Pajares Base Tunnel (Spain)** (0 · ▲0 ▼0) — About 25 km. Under the Cantabrian Mountains, opened in 2023.
19. **Lainz/Wienerwald Tunnel (Austria)** (0 · ▲0 ▼0) — About 24 km. On Vienna's Western Railway.
20. **South Lüliangshan Tunnel (China)** (0 · ▲0 ▼0) — About 23 km. Watang–Rizhao railway.
21. **Desheng Tunnel (China)** (0 · ▲0 ▼0) — About 23 km. Chengdu–Lanzhou Railway.
22. **Xiaoshan Tunnel (China)** (0 · ▲0 ▼0) — About 23 km. Haoji Railway.

How is this ranking ordered? By people's votes: each ▲ adds a point and each ▼ takes one away. Anyone can vote and add what is missing.