Africa has two of the ten longest rivers in the world. The first is the Nile which is the longest river in the world at 4,132 miles long. The second longest African river is the Congo which is the ninth longest river in the world at 2,922 miles long.
North America is home to several long rivers. The ten longest are as follows: the Mississippi, the Mackenzie, the Yukon, the St. Lawrence, the Rio Grande, the Nelson, the Arkansas, the Columbia, the Colorado, and the Red.