1. A unit of length equal to 1,000 metres, or approximately 0.621 miles; used as the standard distance measurement in most countries.
Usage: Plural of kilometre; Standard metric unit; Common in countries using the metric system

Examples

• The distance between the two cities is 150 kilometres.
• She ran 10 kilometres in the marathon.
• The speed limit on the highway is 100 kilometres per hour.
• It takes about 2 hours to drive 200 kilometres.
• The hiking trail is 8 kilometres long.
• The airport is 25 kilometres from the city centre.