title: Near location with lat and long
body: <p>I Want Compare my Current latitude &amp; longitude to another latitude &amp; longitude and found near location to me
  how can i calculate this ?</p>
  
  <pre><code>my location : 
  51.510836, -0.127579
  
  another : 
  
  51.547385, 0.020022
  51.482876, -0.036542
  51.511894, -0.248477
  </code></pre>