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Distance Between two Coordinate Points

This is the formula for calculation of the distance in kilometers between two coordinate points on the globe. The longitude and latitude values(in digits only) are required for this calculation.

The accuracy of the result depends on the accuracy of the result values.

acos[sin(lata)*sin(latb)+cos(latb)*cos(lonb-lona)]*6371

The values needed for the formula are lata and lona for the first point and latb and lonb for the second point.

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