What sort of map are you using? If you're using a civilian road or terrain map, the distance will typically be measured in miles. If you're using a military topographical map, the measurement will be in kilometres.
The meter.
distance
By unit of length and distance and conversion ,we can say that miles measure distance.
The standard measure for distance is the METRE
The answer depends on the scale but the SI unit is a metre.
The meter, the SI unit for distance.
Angstroms
light years
kilometers - km, is a unit for distance, and can't be used to measure mass.
Kilometers are a unit of length, used to measure distance.
Distance is measured metrically in meters
meter