Node-geolocation
How to use google maps knowledge with node.js https://www.npmjs.com/package/node-geolocation
Installation
npm install node-geolocation
Usage example
distanceBetweenTwoCoord('-1,-2','3,4');
adressToCoord('Paris, France');
distanceBetweenTwoAdress('Paris, France','New-York city');
Enjoy !!!