Bridge Length Comparison (Kilometers)
Compare 12 bridge lengths, from 2.5 km Millau to 164.8 km Danyang-Kunshan. Official lengths, sourced. The full table with every source is listed below.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Millau Viaduct 2.5 km. Shortest row here. | 2.5 kilometers | France tall cable stayed viaduct | Millau Viaduct authority: 2.46 km, rowed 2.5 |
| Golden Gate Bridge 2.7 km. Two over Millau tenths. | 2.7 kilometers | USA San Francisco icon | Golden Gate District: 2.7 km total length |
| Akashi Kaikyo Bridge 3.9 km. Longest suspension span, noted. | 3.9 kilometers | Japan strait suspension record | Honshu-Shikoku Authority: Akashi Kaikyo 3.9 km |
| Confederation Bridge 12.9 km. Nine over Akashi. | 12.9 kilometers | Canada strait crossing | Transport Canada: Confederation Bridge 12.9 km |
| Oresund Bridge 16 km. Three over Confederation. | 16 kilometers | Denmark Sweden strait link | Oresund Authority: Oresund Bridge 16 km |
| Vasco da Gama Bridge 17.2 km. One over Oresund. | 17.2 kilometers | Portugal Tagus crossing | Vasco da Gama authority: 17.2 km total |
| Chesapeake Bay Bridge-Tunnel 23 km. Near six over Vasco. | 23 kilometers | USA Chesapeake crossing | Virginia DOT: Chesapeake crossing 23 km |
| King Fahd Causeway 25 km. Two over Chesapeake. | 25 kilometers | Saudi Bahrain causeway | King Fahd Causeway Authority: 25 km |
| Hangzhou Bay Bridge 36 km. Eleven over Fahd. | 36 kilometers | China Hangzhou bay crossing | Zhejiang transport: Hangzhou Bay Bridge 36 km |
| Lake Pontchartrain Causeway 38.4 km. Two over Hangzhou. | 38.4 kilometers | USA Louisiana lake causeway | Louisiana DOT: Pontchartrain Causeway 38.4 km |
| Hong Kong-Zhuhai-Macau Bridge 55 km. Near seventeen over Pontchartrain. | 55 kilometers | China Hong Kong Zhuhai link | HZMBA: Hong Kong-Zhuhai-Macau 55 km |
| Danyang-Kunshan Grand Bridge 164.8 km. Longest row here. Triple HZM. | 164.8 kilometers | China Yangtze high speed viaduct | China Railway: Danyang-Kunshan 164.8 km |
About this converter
Bridge lengths run 2.5 to 164.8 km on official open records. Millau Viaduct spans 2.5, the Golden Gate 2.7, Akashi Kaikyo 3.9, Confederation Bridge 12.9, Oresund 16, Vasco da Gama 17.2, Chesapeake Bay 23, King Fahd Causeway 25, Hangzhou Bay 36, Lake Pontchartrain 38.4, Hong Kong-Zhuhai-Macau 55 and Danyang-Kunshan 164.8. That makes top spans sixty six Millaus. Every figure here is the official total length.
How to use it
Pick two entries and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. Try 1 Danyang Kunshan against Millau to see the sixty six to one gap.
Causeways and tunnels extend some crossings and stay noted. Sea bridges sway in typhoons and stay noted. Tolls never changed lengths and stay out. Proposed crossings stay out until opened. Paint crews never stop and stay noted. Walks open yearly and stay noted. Lanes split directions and stay noted. Storms close decks yearly and stay noted. Lights guide night crossings and stay noted. Lights guide night crossings and stay noted.
FAQ
How long is Danyang-Kunshan?
164.8 km on the Beijing Shanghai high speed line. Longest bridge on Earth.
How long is Confederation Bridge?
12.9 km across the Northumberland Strait. Short span here.
How long is the Golden Gate?
2.7 km total. Shortest famous span here.
Do tunnels count?
No. Causeways and tunnels extend some, noted per row, but rows pin bridge length.
Sources
- Transport authorities: Millau 2.5 through Danyang-Kunshan 164.8 km
- Golden Gate District, HZMBA, Louisiana DOT: span cross-checks
Last verified: 2026-09-30 · 12 entries
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