Apart from sketch maps, maps are to scale. The distance on a map is a ratio of the distance in the real world.
distance (miles and km)
So you can find out the actual distance from point A to point B.
It shows the distance a certain measurement equals on a map.
Scale is used on maps, for one. There's usually a scale on maps that converts inches or centimeters on the map to actual distance.
scale
The scale of the map will tell you how far a measurement in centimeters or inches is equal to in actual distance. Some maps are marked with road distances, and other have grid squares that are a fixed distance in size. Some maps have a table within the legend that gives distances between major cities.
Small, medium, large
500 miles
So that people can measure the approximate distance between the objects on the map
Large scale maps are enlarged maps to show cities and sometimes small towns. Small scale maps are maps shrunken down only to show countries and continents. -The person-
Maps need a scale so that people can see how far things are apart on the map and relate this distance to real distances on the ground.