The longest river in North America is the Mississippi River, which stretches for 2,320 miles from its source in Lake Itasca in Minnesota to its mouth in the Gulf of Mexico.
The longest river in North America is the Missouri River, measuring about 2,341 miles (3,767 kilometers) in length. However, the Missouri River is often considered a tributary of the Mississippi River, in which case the longest river in North America would be the Mississippi River itself. It stretches for approximately 2,320 miles (3,734 kilometers). To find the answer, one can consult an atlas, geography textbook, or simply search online for information about the longest rivers in North America.
The longest river in North America is the Missouri River. It stretches approximately 2,341 miles (3,767 kilometers) from its headwaters in the Rocky Mountains of western Montana to its confluence with the Mississippi River in St. Louis, Missouri.
