Kilometre - Wikipedia
https://en.wikipedia.org/wiki/Kilometre
WebThe kilometre ( SI symbol: km; / ˈkɪləmiːtər / or / kɪˈlɒmətər / ), spelt kilometer in American English and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres ( kilo- being the SI prefix for 1000 ).
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