distance.js

const distance = function(point1, point2) {
  const R = 6371; // Radius of the earth in km
  const dLat = (point2.lat - point1.lat) * Math.PI / 180;
  const dLong = (point2.long - point1.long) * Math.PI / 180;
  
  let a = 0.5 - Math.cos(dLat) / 2 + Math.cos(point1.lat * Math.PI / 180) * Math.cos(point2.lat * Math.PI / 180) * (1 - Math.cos(dLong)) / 2;

  return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
}

const me = {long: 11.19180679321289, lat: 2.881151180400001};

const points = [
  {long: 11.198158264160156, lat: 2.881151180400001}, // 1km
  {long: 11.214981079101562, lat: 2.8823512904823567}, // 3km
  {long: 76.2890625, lat: 50.17689812200107},
];

const results = points.map(point => {
  return distance(me, point);
})

console.log(results);