Planets · #72 biggest of 1,014
How big is Dione (moon)?
1,123 km
Dione (moon) measures 1,123 km. That's about 127 Mount Everests lined up end to end.
By the numbers
- That's 1,123 km, or about 698 miles.
- It's about 660,588 times taller than an average adult (1.7 m).
- Roughly 127 Mount Everests could line up across it.
- Walking nonstop, you'd need about 9.28 days to travel its length.
- Out of all 1,014 things in this collection, it ranks #72 by size.
Size comparison
How Dione (moon) stacks up against things of a similar size. Tap any bar to explore it.
Rhine River
1,233 km
Charon (moon)
1,212 km
Umbriel (moon)
1,169 km
Ariel (moon)
1,158 km
Dione (moon)
1,123 km
Tethys (moon)
1,062 km
Ceres (dwarf planet)
939 km
Seine River
777 km
Vesta (asteroid)
525 km
Bars use a logarithmic scale so everything fits — real differences are even more extreme!
Fun fact
Standing beside it, an average person (1.7 m tall) would reach only about less than 0.001% of its height.
More in Planets
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