You would use units of length, such as meters or feet, to measure the distance from your room to your kitchen.
AnswerMiles, and that distance is about 480.8 miles
A kilometre is quite a long unit of measurement. For this reason you would use it to measure large things on earth. For example:The distance between citiesThe length of a coastlineHow far a train journey is
miles or kilometers
Kilometers
meters
Miles or kilometers would do.
You would use it to measure distance in a nearly obsolete measurement system.
Litres.
To measure a leaf? A Ruler with a Centimeter measurement on it. Or if your like me and the distance from you knuckle to your thumb is 1in, use that ^-^
time taking to walk
Light year is used to measure the stellar distances whereas miles and km is used to measure distance on Earth.