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The Mississippi river is considered the largest river system in North America. Some sources reference it as the longest as well, at 2340 miles (3765 km) long. Others claim this length for the Missouri River and list the Mississippi as only 2320 miles (3730 km) in defined length. Both are subjective based on the definition of the tributaries used (especially with the Missouri, where the reported length can vary from 2320 to 2540 miles!).

Taken together, the Jefferson/Missouri and the Mississippi form the longest river system in North America. If measured from the source of the Jefferson at Brower's Spring (Montana), to the Gulf of Mexico, the length of the Mississippi-Missouri-Jefferson combination is approximately 3,900 miles (6,300 km). This makes it the 3rd longest river system in the world. The length of the Mississippi River is 6,084 km or 3,781 miles.

Source: S. Liu, P. Lu, D. Liu, P. Jin, W. Wang, Pinpointing the sources and measuring the lengths of the principal rivers of the world, International Journal of Digital Earth, Volume 2, Issue 1 March 2009 , pages 80 - 87,DOI: 10.1080/1753894090274608

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Yessenia Breitenberg

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2y ago
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8y ago

The Mississippi River Delta is the 7th largest delta on Earth containing 2.7 million acres of coastal wetlands. It stretches from the Vermillion Bay (west) to the Chandeleur Islands (southeast). Of the 2350 miles that the Mississippi River travels, approximately the last 100 miles is devoted to the delta.

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11y ago

It is 3,870 miles long!!

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12y ago

2243356789miles

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Q: How long is the Mississippi Missouri river?
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Related questions

Which river is longest - the Missouri the Mississippi or Arkansas?

Missouri flows in Mississippi which is the longest


How long is the Mississippi river's longest tributary is in miles?

The Missouri River is 2,341 miles long and is the longest tributary to the Mississippi River.


Which tributary of the Mississippi River is the longest?

The Missouri River is the chief tributary of the Mississippi.It is also the longest river in North America.


How long is the Mississippi river tributary in miles?

The Missouri River is 2,341 miles long and is the longest tributary to the Mississippi River.


Which two rivers make up the longest river system in North America?

* #1 The Mississippi-Missouri River in the US * #2 The Mckenzie River in Canada


How long is Mississippi River's longest tributary in miles?

The Missouri River is 2,341 miles long and is the longest tributary to the Mississippi River.


What river separates Missouri from Illinois?

The Mississippi River forms the boundary between Illinois and Missorui


Do the Mississippi River and the Missouri River flow into the Ohio River?

Missouri eventually enter the Mississippi river which then leads to the gulf of Mexico


What big river flows into the Mississippi River?

The Missouri River is 2,341 miles long and is the longest tributary to the Mississippi River.


How long is the Mississippi longest tributary in miles?

The Mississippi's longest tributary is the Missouri river measuring around 2,341 miles (3,767 KM) -AMK


Is Mississippi river the largest river?

The Mississippi River is the largest river in North America in terms of volume of water flowing in it. The Missouri River is the longest river in N.A., but is behind the Ohio River in the volume of water that it contributes to the Mississippi River.


What two rivers seem to meet in St. Louis Missouri?

Two of the United States biggest rivers meet in St Louis Missouri. The Mississippi River and the Missouri River both meet in St Louis.