Canals are artificial waterways constructed for various purposes including irrigation, shipping, local transportation, control of flood, and tourism. It also connects rivers, lakes, cities, and oceans. The ancient cities are well connected with channels of water it was an easy way of transportation.
The Panama Canal is not on the list, it’s connecting the Atlantic Ocean to the Pacific Ocean and saves a lot of time, transportation expenses for ships, and Panama Canal is one of the Engineering Wonders in the World. Grand Canal in China is the longest canal in the world, is 1776 km long with 24 locks.
| Rank | Name of Canal | Length | Connection | Country | Locks |
|---|---|---|---|---|---|
| 1 | Grand Canal | 1,776 Km | Beijing-Hebei-Shandong-Jiangsu-Zhejiang-Hagzhou | China | 24 |
| 2 | Qaraqum Canal | 1,375 Km | Amu Darya-Karakum Desert | Russia | |
| 3 | Saimaa Canal | 814 Km | SaimaGulf of Finland | Russia | 8 |
| 4 | Eurasia Canal | 700 Km | Black Sea-Kuma Manych Depression | Russia | 13 |
| 5 | Manych Ship Canal | 700 km | Black Sea-Caspian Sea | Russia | 6 |
| 6 | Erie canal | 584 km | Albany-New York-Buffalo | USA | 36 |
| 7 | Grand Union Canal | 461 Km | London-Birmingham | England | 236 |
| 8 | Nara Canal | 364 km | Sukkur Barrage-Khaipur, Sanghar-Districts | Pakistan | |
| 9 | Rhone–Rhine Canal | 349 km | Rhine-Rhone, North Sea-Mediterranean | France | |
| 10 | Marne–Rhine Canal | 313 Km | Rhine, Marne, Meuse River, Moselle River, Canal des houillères de la Sarre | France | 154 |
| 11 | Leeds and Liverpool Canal | 204 Km | Leeds-Liverpool | England | 91 |
| 12 | Suez Canal | 193.5 Km | Mediterranean Sea-Red Sea | Egypt | 0 |
| 13 | Gota Canal | 190 Km | Gothenburg | Swedan |
Note: The ranking of the longest rivers mentioned above is a known longest canals, some of the unconfirmed canals are not on the list.