| geographiclib::geodesics | Geodesic Calculations | HTML | source | R code | |
| geographiclib::geographiclib-overview | Introduction to geographiclib | HTML | source | R code | |
| geographiclib::grid-reference-systems | Grid Reference Systems: MGRS, Geohash, GARS, and Georef | HTML | source | R code | |
| geographiclib::local-coordinates | Local Coordinates and the Ellipsoid | HTML | source | R code | |
| geographiclib::projections | Map Projections | HTML | source | R code |