SizerooGuessroo · All sizes

How long is the Large Hadron Collider?

26.7 kmAbout 16.59 miles · Land-sized

Its ring is about 26.7 km around, 100 m under France and Switzerland.

A red kangaroo would need about 3,300 hops (8 m each) to cover it.

26.7 km
the Golden Gate Bridge

To scale: the Large Hadron Collider is about 9.8× bigger than the Golden Gate Bridge.

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].