Geodesic distance between two geo positions as a Quantity
GeoDistance[{lat1, lon1}, {lat2, lon2}]
GeoDistance[loc1, loc2]
GeoDistance[{loc1, …, locn}]
GeoDistance[{37, -109}, {40.113, -88.261}]
→ Quantity[1836.008604816116, Kilometers]GeoDistance[{46.42, -21.02}, {-30.23, 40.51}]
→ Quantity[10500.422769504281, Kilometers]GeoDistance[GeoPosition[{30., 40.}], GeoPosition[{-50., -60.}]]
→ Quantity[13182.95319931811, Kilometers]