<p>For an accurate and complete (works with any pair of points) solution
use my geodesic calculator at
<a href="http://geographiclib.sf.net/cgi-bin/GeodSolve" rel="nofollow">http://geographiclib.sf.net/cgi-bin/GeodSolve</a>.  The formulas are given in
<a href="http://arxiv.org/abs/1102.1215" rel="nofollow">http://arxiv.org/abs/1102.1215</a>.</p>
Calculate Distance in Km and Miles
<p>I have two points whose latitude and longitude i know.</p>

<p>How can i calculate the distance(in Km and Miles) between them. What is the formulae?</p>