The kilometre is a unit of length in the metric system, equal to one thousand metres. It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the United Kingdom where the statute mile is the official unit used. k (pronounced kay) is occasionally used in some English-speaking countries as an alternative for the word kilometre in everyday writing and speech.
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According to figures from a British motoring research organization, Tesla owners drive more miles per year in their EVs than ...