Km is used for long distances. As the distance between two cities.
Kilometres are a measure of distance. It's equivelant would be miles.
kilometers
Kilometers
Usually, you would use kilometers.
Kilometers
I would use kilometers.
You would use kilometers (km).
meters
Yes on vast scale
you would use kilometers.
You use anything with markings of kilometers,meters,millimeters or centimeters.
Americans use miles as the traditional measure of distance.
kilometers