Distance between two map point or lat long in android

Question

I am trying to calculate the distance between two map point using Google Map in android. I have used two lat long value to put two map pin and also able to draw a route betw

Answer 1

I was also in a situation like this some days ago, and believe me, its such a headache.

Still, I feel following links will help you:

1. Wikipedia explanation and formulae
2. All about Latitude and Longitude on
3. The dirty way, calculate distance by converting latitude/longitude difference to kms/miles

I hope it helps a bit.