The kilometre (SI symbol: km) is a unit of length in the metric system, equal to 1000 metres (kilo: being the SI prefix for 1000). It is now the measurement unit used, officially, for expressing distances between geographical places on land, in most of the world.
I called my mom 9 times to ask if she could make plantain and puff puff so on the 9th time, she asked "KILODEEEEEEEEEE AH?". I then decided at that point that I should hang up because she might get the belt.