What’s the longest river

The Nile River is the longest river in the world, with a length of approximately 4,135 miles (6,650 kilometers).

The longest river in the world is the Nile River in Africa. It spans approximately 4,135 miles (6,650 kilometers) in length.

The longest river in the world is the Nile River, stretching approximately 6,650 kilometers (4,130 miles) in length.