Colorado river is the longest river in us(1450 miles)
The Mississippi River is the longest. The Colorado River is also pretty long. However, the Mississippi River beats it slightly in length.
The Amazon River is not the longest river in the US. It is the longest river in South America.
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.
Rio grande....If you dont trust this jush go to this site and look your self http://en.wikipedia.org/wiki/List_of_the_ten_longest_Texas_rivers Enjoy :]
The Missouri River is 2,341 miles long making it the longest river in the United States. It is followed in length by the Mississippi River, Yukon River, Rio Grande, Colorado River, Arkansas River, Columbia River, Red River, Snake River and Ohio River.
The longest river in the United States is the Mississippi
The Mississippi River
The longest river in the US is the Missouri River that is 2,341 mi/3,768 km long.
Mississsippi
The Mississippi river is the longest river, even though some scientists think the Missouri river is.
The Mississippi River