Google Maps - How to get the distance between two point in metre?

Question

I have these coordinate :

(45.463688, 9.18814)  (46.0438317, 9.75936230000002) 

and I need (trought Google API V3, I think) to get the distance between those 2 points in metre. How can I do it?

Answer 1

If you're looking to use the v3 google maps API, here is a function to use: Note: you must add &libraries=geometry to your script source

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&libraries=geometry"></script>  <script> var p1 = new google.maps.LatLng(45.463688, 9.18814); var p2 = new google.maps.LatLng(46.0438317, 9.75936230000002);  alert(calcDistance(p1, p2));  //calculates distance between two points in km's function calcDistance(p1, p2) {   return (google.maps.geometry.spherical.computeDistanceBetween(p1, p2) / 1000).toFixed(2); }  </script> 

Answer 2

I think you could do without any specific API, and calculate distance with plain Javascript:

This site has good info about geographical calculations and Javascript sample for distance calculation.

Ok, quick glance at Google API page and it seems, you could do it by:

1. Call DirectionsService().route() to get DirectionsResult with routes
2. For one or each route go through its legs property and calculate sum of distances