What is the longest river in the United States?

Mississippi
Missouri
Yukon
Rio Grande
The Missouri River is the longest river in North America. Having 2,341 mi (3,768 km), it is longer than the Mississippi (2,202 mi 3,544 km). When combined with the lower Mississippi River, it forms the world's third longest river system, after the Nile and Amazon.
Shankar Kumar
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reach: rather globalgeographygeography of North Americageography of the United StatesNorth Americariversrivers of North AmericaUnited States

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Mississippi
Missouri
Yukon
Rio Grande
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