A kilometre.
A kilometre. A megametre may be more appropriate but it is not a unit that is used much.
Kilometres
A unit of volume such as a litre.
division
Its height (above mean sea level): metres Its length: kilometres - or metres if it is a really short trail.
The Unit Used To Measure A Train Can Be Kilometer.
cm
What measure of units would you use to measure the thickness of a phone book
Which unit would you use to measure the water in a full tub?
Feet
to measure a small trashcan