Bigger objects like celestial bodies ,Earth ,sun their radius are measured in kilometers .
Distance.
42,195km
24.31 kilometers = 2,431,000 centimeters
The answer depends on the distance. Marathons are measured in hours and minutes, sprint distances in hundredths of a second.
Phidippides died of exhaustion after a long run of approximately 42 Km.. That is why marathons nowadays are 42.35 Kilometers long in track :)
Kilometers are units of one thousand meters, so they measure distance. Items that would be measured in kilometers are road lengths or air miles traveled.
they are measured in centimeters.
The average distance is 1,433,449,370 kilometers.
Time is not measured in kilometers.
miles
kilometers