The Measure distance feature offered by Google Maps allows you to measure the distance between two points on a map "as the crow flies." You can also plot an irregular route between two points ...

I realize the points start from 0,0 and you plot from there, but I don't know how to figure out where 0,0 is on a map that's already been created.

How to Draw a Line & Get Distance Between Two Points on Google Maps. When you need to find the distance between two locations or want general directions to get from point A to point B, Google Maps ...