SizerooGuessroo · All sizes

How long is the Mekong?

4,909 kmAbout 3,050 miles · Planet-sized

About 4,909 km.

A red kangaroo would need about 610,000 hops (8 m each) to cover it.

4,909 km
Rome to Milan

To scale: the Mekong is about 10× bigger than Rome to Milan.

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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].