Kilometre

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The kilometre is the common unit of longer distances on Earth. The SI unit is the metre and a kilometre is 1000 metres. It is now used more than the statute mile for road distances, and the nautical mile for sea distances and air distances.

It is often used to measure the speed of cars, planes and boats by saying how many kilometres it can travel in an hour.

It is also spelled kilometer. This spelling is used in American English.

One Kilometre is 0.6215 miles (3280.84 feet).

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