const calculate = require('calculate-geo-distance');
// coördinates of Amsterdam
const ams = {
'lat': 50.9394805,
'long': 5.9247853,
}
// coördinates of Rotterdam
const rot {
'lat': 51.926789,
'long': 4.421901,
}
const distanceInKm = calculate(ams.lat, ams.long, rot.lat, rot.long)
console.log(distanceInKm)
// 151.34273341268528
RobinStut/calculate-geo-distance
A NPM package to calculate a distance between 2 coördinates
JavaScript