SizerooGuessroo · All sizes

How wide is Ganymede, the biggest moon in the solar system?

5,268 kmAbout 3,273 miles · Planet-sized

About 5,268 km.

A red kangaroo would need about 660,000 hops (8 m each) to cover it.

5,268 km
LA to San Francisco

To scale: Ganymede is about 9.4× bigger than LA to San Francisco.

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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].