Sizeroo

How long is the US–Canada border?

5,525 milesAbout 8,891 km · Planet-sized

About 5,525 miles (8,892 km), the longest border between two countries.

A red kangaroo would need about 1,100,000 hops (26 ft, or 8 m, each) to cover it.

5,525 miles
Ceres

To scale: the US–Canada border is about 9.5× bigger than Ceres.

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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].