A 26.2-mile marathon is 42.16 kilometers.
Bigger objects like celestial bodies ,Earth ,sun their radius are measured in kilometers .
Speed is a rate often measured in kilometers per hour.
The density of an object is measured in kilograms and kilometers.
Distance.
42,195km
24.31 kilometers = 2,431,000 centimeters
they are measured in centimeters.
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.
The answer depends on the distance. Marathons are measured in hours and minutes, sprint distances in hundredths of a second.
The average distance is 1,433,449,370 kilometers.
Time is not measured in kilometers.
Phidippides died of exhaustion after a long run of approximately 42 Km.. That is why marathons nowadays are 42.35 Kilometers long in track :)