Kilometre
A
kilometre (
American spelling: kilometer) (abreviation:
km) is a
unit of
length equal to 1000
metres. It is approximately equal to 0.621
miles, 1 094 yards or 3 281
feet.
See 1 E3 m to compare the length of a kilometre.
See also: SI, metre, SI prefix, Orders of magnitude, light year, parsec
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