Distance

Calculate distance between two points using Latitude and Longitude

Params

Just pass the values for Latitude and Longitude, with an optional param km/miles, and get distance between two points on the earth.
lat1: Latitude of Point 1
lat2: Latitude of Point 2
long1: Longitude of Point 1
long2: Longitude of Point 2
unit: Default: K (K: Kilometar, M: Miles, N: Nautical Miles)
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