The St Johns River is 310 miles long making it the longest river in the state of Florida.
misouri
Missouri
Duck River (Tennessee) The Duck River is the longest river located entirely within the U.S. state of Tennessee.
The Missouri River begins as Brower's Spring in the state of Montana.
Colorado river is the longest river in us(1450 miles)
The longest river in the United States is the Mississippi
mississippi
The Amazon River is not the longest river in the US. It is the longest river in South America.
The longest river in the US is the Missouri River that is 2,341 mi/3,768 km long.
You would be on the Mississippi River if you were riding a paddleboat up the longest river in the US. The Mississippi River is the longest river in the US, stretching approximately 2,340 miles.
The state of Mississippi is the 32nd largest of the US states. (The Mississippi River is the longest single river in the US. The Jefferson-Missouri-Lower Mississippi combination is the longest combined flowing river, 4th longest in the world, although much of the western Missouri is not navigable.)