Rivers · #44 biggest of 1,014
How big is the Mekong River?
4,350 km
The Mekong River measures 4,350 km. That's about 492 Mount Everests lined up end to end.
By the numbers
- That's 4,350 km, or about 2,703 miles.
- It's about 2.56 million times taller than an average adult (1.7 m).
- Roughly 492 Mount Everests could line up across it.
- Walking nonstop, you'd need about 36 days to travel its length.
- Out of all 1,014 things in this collection, it ranks #44 by size.
Size comparison
How Mekong River stacks up against things of a similar size. Tap any bar to explore it.
Callisto (moon)
4,821 km
Congo River
4,700 km
Amur River
4,444 km
Lena River
4,400 km
Mekong River
4,350 km
Mackenzie River
4,241 km
Niger River
4,200 km
Murray River
3,672 km
Io (moon)
3,643 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 Rivers
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