How tall is Olympus Mons on Mars?
21.9 kmAbout 13.61 miles · Land-sized
About 21.9 km, nearly 2.5 times Everest.
A red kangaroo would need about 2,700 hops (8 m each) to cover it.
🔴21.9 km
🌉the longest bridge span
To scale: Olympus Mons is about 11× bigger than the longest bridge span.
Things about the same size
- How wide is the Strait of Gibraltar at its narrowest?14,300 m
- How wide is the nucleus of Halley's Comet?15,000 m
- How long is the island of Manhattan?21.6 km
- How long is the Large Hadron Collider?26.7 km
- How wide is the English Channel at its narrowest?33.3 km
- How thick is Earth's continental crust on average?35 km
- How far did the Apollo 17 Moon buggy drive?35.7 km
- How high did Felix Baumgartner jump from?38.969 km
Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email hello@guessroo.com.