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Top 50 Longest Tunnels

The longest continuous underground passages globally. This comprehensive dataset is meticulously compiled from verified global sources and updated regularly. Use the sorting and filtering tools to explore the data, or export it as CSV for deeper analysis. All figures are cross-referenced with authoritative international databases.

Rank ⇵Tunnel ⇵Length (km) ⇵Type ⇵Country ⇵
1Gotthard Base Tunnel57.1 kmSwitzerland
2Seikan Tunnel53.9 kmJapan
3Channel Tunnel50.5 kmUK/France
4Yulhyeon Tunnel50.3 kmSouth Korea
5Songshan Lake Tunnel35.4 kmChina
6Lotschberg Base Tunnel34.6 kmSwitzerland
7New Guanjiao Tunnel32.6 kmChina
8Guadarrama Tunnel28.4 kmSpain
9Taihang Tunnel27.8 kmChina
10Hakkoda Tunnel26.5 kmJapan
11Iwate-ichinohe Tunnel25.8 kmJapan
12Lærdal Tunnel (Road)24.5 kmNorway
13Yamasn Tunnel (Water)24.0 kmUSA
14Daishimizu Tunnel22.2 kmJapan
15Wushaoling Tunnel21.1 kmChina
16Geumjeong Tunnel20.3 kmSouth Korea
17Simplon Tunnel19.8 kmSwitzerland/Italy
18Vereina Tunnel19.1 kmSwitzerland
19Shin-Kanmon Tunnel18.7 kmJapan
20Appennino Base Tunnel18.5 kmItaly
21Qinling Tunnel18.5 kmChina
22Zhongnanshan Tunnel (Road)18.0 kmChina
23Gotthard Road Tunnel16.9 kmSwitzerland
24Ceneri Base Tunnel15.4 kmSwitzerland
25Marmaray Tunnel13.6 kmTurkey
26Mount Cenis Tunnel13.7 kmFrance/Italy
27Ryfast Tunnel (Road)14.3 kmNorway
28Eurotunnel (Chunnel)50.5 kmUK/France
29Sydney Harbour Tunnel2.8 kmAustralia
30Lincoln Tunnel2.4 kmUSA
31Holland Tunnel2.6 kmUSA
32Anton Anderson Memorial Tunnel4.1 kmUSA
33Brenner Base Tunnel (U/C)64.0 kmAustria/Italy
34Mont Blanc Tunnel11.6 kmFrance/Italy
35Arlberg Road Tunnel14.0 kmAustria
36Frejus Road Tunnel12.9 kmFrance/Italy
37Tokyo Bay Aqua-Line9.6 kmJapan
38Oresund Bridge/Tunnel4.1 km (Tunnel)Denmark/Sweden
39Karisaka Tunnel6.6 kmJapan
40Enasan Tunnel8.6 kmJapan
41Gudvangen Tunnel11.4 kmNorway
42Folgefonna Tunnel11.1 kmNorway
43Kan-Etsu Tunnel11.1 kmJapan
44Hsuehshan Tunnel12.9 kmTaiwan
45Baoji-Chengdu Tunnel12.0 kmChina
46Plabutsch Tunnel10.1 kmAustria
47Eisenhower Tunnel2.7 kmUSA
48Gleinalm Tunnel8.3 kmAustria
49Rennsteig Tunnel7.9 kmGermany
50Klausenpass Tunnel8.0 kmSwitzerland
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Frequently Asked Questions

What is the Longest Tunnels in the World?
The longest continuous underground passages globally.
How many entries are in this list?
There are currently Top 50 Longest Tunnels entries recorded in this list.
How is this data collected and verified?
Data is sourced from official records, government publications, peer-reviewed studies, and reputable international organizations. All entries are cross-referenced with multiple sources to ensure accuracy and reliability.
How often is this list updated?
This list is reviewed and updated regularly to reflect the most current data available. Some statistics change frequently (e.g. population, rankings) while others remain stable over time (e.g. historical records).
Can I use this data for research or projects?
Yes. The data presented here is free to use for educational, research, and personal projects. We recommend citing the original sources for academic work. Use the Export CSV button to download the data in a spreadsheet format.

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