SizerooGuessroo · All sizes

How long is Lake Baikal?

636 kmAbout 395.2 miles · Land-sized

About 636 km, the deepest and oldest lake on Earth.

A red kangaroo would need about 80,000 hops (8 m each) to cover it.

636 km
the Gotthard Tunnel

To scale: Lake Baikal is about 11× bigger than the Gotthard Tunnel.

Think you can guess sizes? Play today's Sizeroo

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].