Google Maps travel time accuracy: How exactly does it know the distance and time of your trip

Google Maps estimates travel time using a blend of technology and data. It calculates distance, considers speed limits, and ...
talkandroid.com

How to Use Google Maps’ Flight-Path Feature to Calculate Exact Distances

Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. Measuring ...
BBC

Map scales and ratio

Map scales close map scaleThe ratio of the length of a feature on a map to the same length in real life. are often written as a ratio, eg 1 : 250,000. They can also be written using measurements, eg 2 ...