5,729 km (Euphrates River (2,815 km), Tigris River 1,899 km, Third River (565 km)); Shatt al Arab is usually navigable by maritime traffic for about 130 km; channel has been dredged to 3 m and is in use; Tigris and Euphrates Rivers have navigable sections for shallow-draft watercraft; Shatt al Basrah canal was navigable by shallow-draft craft before closing in 1991 because of the Gulf War
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |