| Abbreviation | Definition |
|---|---|
| RPWY | Malaybalay, Philippines |
| RPWZ | Bislig, Philippines |
| RPX | Roundup, Montana USA |
| RPXC | Tarlac, Philippines |
| RPXG | Lubang, Philippines |
| RPXI | Itbayat, Philippines |
| RPXJ | Jomalig, Philippines |
| RPXM | Fort Magsaysay-Nueva Ecija, Philippines |
| RPXP | Poro Point-La Union, Philippines |
| RPXR | Corregidor-Cavite, Philippines |
| RPXT | Alabat, Philippines |
| RPXU | Sorsogon, Philippines |
| RQB | Roben-Hood, Big Rapids, Michigan USA |
| RQQ | Watts- Woodland Airport, Woodland, California USA |
| RRE | Marree, Australia |
| RRG | Rodrigues Island, Mauritius |
| RRI | Barbara, Solomon Islands |
| RRK | Rourkela, India |
| RRN | Serra Norte, PA, Brazil |
| RRO | Sorrento, Italy |