A kilometre is a unit of distance. An hour is a unit of time. Without some indication of speed, it is impossible to convert between the two.
500 kilometers = 310.685596 miles
At an average 500 mph, that's 3218.68 km.
Average speed in kilometers per hour is 500/10 or 50.
500 kilometers=500,000 meters
50kph
500 miles is 804.67 kilometers. 500 kilometers is 310.69 miles.
1 km = 1000 meters 500 meters = 500/1000 kilometers = 0.5 kilometer
5 kilometers= 500 dekameters
500 yd = 0.4572 km
500 miles=804.67200 kilometers
500 kilometers = 500,000,000 millimeters
500 meters=0.5 kilometers