Created
January 15, 2018 20:24
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| def haversine(lat1, lon1, lat2, lon2, miles=False): | |
| phi1, phi2, dlat, dlon = map(radians, [lat1, lat2, lat2-lat1, lon2-lon1]) | |
| radius = 6371 | |
| if miles: | |
| radius = 3956 | |
| a = sin(dlat/2)**2 + cos(phi1) * cos(phi2) * sin(dlon/2)**2 | |
| c = 2 * asin(sqrt(a)) | |
| return radius * c |
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Adapted from https://www.movable-type.co.uk/scripts/latlong.html