Geo_decoder synopsis for getting address var geo = require('geo_decoder'); geo.getAddress(latitude, longitude, function(err, result) { if (err) { console.log(err); } else { console.log(result); } // response { address: 'A-4, NH 64, Green Enclave, Lohgarh, Zirakpur, Punjab 140603, India', postal_code: '140603', country_code: 'PB', country: 'Punjab' } synopsis for getting longitude and latitude var geo = require('geo_decoder'); geo.getLatLong("Enter Your Address Here",function(err,result){ // console.log('err===',err,result); if(err){ console.log(err); }else{ console.log(result); } }); // response { latitude: 30.7112416, longitude: 76.7927981 } synopsis for getting distance between longitude and latitude var geo = require('geo_decoder'); var point1 = { x1: 1, y1: 1 }; var point2 = { x2: 4, y2: 5 }; var distace = geo.distance(point1, point2); console.log("Distance between: ", point1, " and ", point2, " is:", distace);