This is the 1950th most frequent Japanese word.
km
"Km" is not a Japanese word; it is the abbreviation for "kilometer."
In this sentence, 'km' is used as a unit of measurement for distance, specifically expressing the length of a road.
この道路は10kmあります。
This road is 10km long.
Here, 'km' indicates the distance covered during a running activity, serving as a measurement of achievement in a duration.
ランナーは5kmを10分で走りました。
The runner completed 5km in 10 minutes.
The word 'km' in this sentence denotes the approximate distance between the current location and the station, providing an estimate of measurement.