SizerooGuessroo · All sizes

How long is the Missouri River?

2,341 milesAbout 3,767 km · Planet-sized

About 2,341 miles (3,767 km), the longest river in the US.

A red kangaroo would need about 470,000 hops (26 ft, or 8 m, each) to cover it.

2,341 miles
the ISS's height

To scale: the Missouri 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].