The Mississippi River measures approximately 2,340 miles in length.

The Mississippi River is about 2,340 miles long, making it one of North America’s longest rivers. It begins at Lake Itasca in Minnesota and flows southward through ten states before reaching the Gulf of Mexico. This significant length allows the river to serve as a vital transportation route, supporting trade and commerce. Additionally, the river's diverse ecosystems provide habitats for numerous species, highlighting its ecological importance in the region.