what is the longest river in north america?

The longest river in North America is the Missouri River , at about 2,341 miles (around 3,768 km) in length, slightly longer than the Mississippi River.

Quick Scoop

• The Missouri River flows from the Rocky Mountains in western Montana to its confluence with the Mississippi River near St. Louis, Missouri.

• It is considered the longest river in both the United States and North America when measured on its own, without combining it with the Mississippi.

• Some sources also note the combined Mississippi–Missouri river system as one of the world’s longest river systems, but for the specific question “what is the longest river in North America?”, the standalone answer is the Missouri River.

Information gathered from public forums or data available on the internet and portrayed here.