Canals are man-made water channels built for different purpose including irrigation, shipping, local transportation, control flood and recently for tourism. Canals are generally designed for connecting between the rivers, lakes, cities and ocean to access easily. The cities in the ancient and middle age well connected with channels of water which makes it the easiest way of transportation at that time. The Panama Canal is not listed in the top but that connecting Atlantic Ocean to the Pacific Ocean that saves huge 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 stretched 1776 km 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 longest rivers mentioned above are a collection of known longest canals, some of the unconfirmed canals are not listed in the list.
