title: How to calculate distance between 2 points of google api map using c#?
body: <p>i am going to develop a location service app i have the application part now i have the work on server side for this i have to calculate the distance between 2 points<br/>
  for ex(point 1 to point 2 distance = 1 km) and i have got a code when i tried implementing the code shows wrong distance actual km is 1 but the code shows 300 meters.</p>
  
  <p>Can anybody say me why this happens?</p>
  
  <p>Thank you..</p>