Which river is the longest in the USA? 🔊
The Missouri River is the longest river in the USA, measuring approximately 2,341 miles (3,767 kilometers). It flows through several states, including Montana, North Dakota, South Dakota, Nebraska, Kansas, Iowa, and Missouri. The Missouri River is an important waterway for transportation, recreational activities, and irrigation. Its historical significance includes being part of the Lewis and Clark Expedition, contributing to the exploration of the American West.


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