SizerooGuessroo · All sizes

How long is the Colorado River?

1,448 milesAbout 2,330 km · Planet-sized

About 1,450 miles (2,330 km), from the Rockies to the Gulf of California.

A red kangaroo would need about 290,000 hops (26 ft, or 8 m, each) to cover it.

1,448 miles
an Ironman

To scale: the Colorado River is about 10× bigger than an Ironman.

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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].