1. Nile River (6,650 km)
2. Congo River (4,700 km)
3. Niger River (4,167 km)
4. Zambezi River (2,574 km)
5. Orange River (1,860 km)
Europe
1. Volga River (3,530 km)
2. Danube River (2,860 km)
3. Dnieper River (2,201 km)
4. Rhine River (1,320 km)
5. Elbe River (1,091 km)
America
1. Mississippi-Missouri River (6,275 km)
2. Amazon River (6,400 km)
3. Paraná River (4,880 km)
4. Mackenzie River (4,400 km)
5. Yukon River (3,185 km)
Asia
1. Yangtze River (6,300 km)
2. Yellow River (5,464 km)
3. Ob River (3,650 km)
4. Mekong River (4,350 km)
5. Ganges River (2,525 km)
Australia
1. Murray-Darling River (3,750 km)
2. Cooper Creek (1,420 km)
3. Lachlan River (1,410 km)
4. Warrego River (1,160 km)
5. Murchison River (820 km)