The ten longest rivers in the world are:
1. Nile (Africa) - 6,650 km
2. Amazon (South America) - 6,400 km
3. Yangtze (Asia) - 6,300 km
4. Mississippi-Missouri (North America) - 6,275 km
5. Yenisey-Angara (Asia) - 5,539 km
6. Yellow River (Asia) - 5,464 km
7. Ob-Irtysh (Asia) - 5,410 km
8. Congo (Africa) - 4,700 km
9. Amur (Asia) - 4,416 km
10. Lena (Asia) - 4,260 km
As you can see, only one river in Africa, the Nile, is among the ten longest rivers in the world.