How long is the Great Barrier Reef?
2,300 kmAbout 1,429 miles · Planet-sized
About 2,300 km along Australia's coast.
A red kangaroo would need about 290,000 hops (8 m each) to cover it.
🐠2,300 km
🏊an Ironman
To scale: the Great Barrier Reef is about 10× bigger than an Ironman.
Things about the same size
- How far is Land's End to John o' Groats by road?1,407 km
- How wide is Pluto?2,377 km
- How long is the Danube?2,850 km
- How long is Japan from end to end?3,000 km
- How long is the Tour de France?3,400 km
- How wide is the Moon?3,474 km
- How long is the Appalachian Trail?3,500 km
- How long is the Mississippi River?3,766 km
Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email hello@guessroo.com.