SizerooGuessroo · All sizes

How long is the Mississippi River?

3,766 kmAbout 2,340 miles · Planet-sized

About 3,766 km (2,340 miles).

A red kangaroo would need about 470,000 hops (8 m each) to cover it.

3,766 km
the ISS's height

To scale: the Mississippi is about 9.4× bigger than the ISS's height.

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Things about the same size

Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email [email protected].