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by William Wallace - 7 years ago (2015-05-18)
I have two points on earth. What is the distance between them? Obviously it is not sqrt(pow(long1 - long2,2) + pow(lat1 - lat2,2) )
This class should make it easy for you. It calculates the distance between two points on the earth sphere. The example shows how easy it is to use as well.
I hope this helps.
This class will calculate the distance between two points and perform a conversion from miles to whatever unit you are after. If I am reading it correctly, the formula (which is in the class) is for a straight line and does not take into account the curvature of the earth, so it may be off slightly.