If you can use PostgreSQL, the obvious solution is PostGIS and the "geography" data type: https://postgis.net/ https://postgis.net/ https://postgis.net/docs/po

If you can use PostgreSQL, the obvious solution is PostGIS and the "geography" data type: https://postgis.net/ https://postgis.net/ https://postgis.net/docs/postgis_usage.html#PostGIS_Geography https://postgis.net/docs/postgis_usage.html#PostGIS_Geograph...