| Abbreviation | Definition |
|---|---|
| RYN | Royan, France |
| RYO | Rio Turbio, SC, Argentina |
| RYV | Watertown Municipal Airport, Watertown, Wisconsin USA |
| RYY | Cobb County - McCollum Airport, Marietta, Georgia USA |
| RZA | Santa Cruz, SC, Argentina |
| RZE | Rzeszow- Jasionka Airport, Rzeszów, Poland |
| RZH | Lancaster Quartz Hill Airport, Lancaster, California USA |
| RZL | Jasper County Airport, Rensselaer, Indiana USA |
| RZN | Burnett County Airport, Siren, Wisconsin USA |
| RZR | Ramsar, Iran |
| RZT | Chillicothe, Ohio USA |
| RZY | Rezayieh, Iran |
| RZZ | Roanoke Rapids, North Carolina USA |
| S24 | Sandusky County Regional Airport, Fremont, Ohio USA |
| S75 | Payette Municipal Airport, Payette, Idaho USA |
| S88 | Skykomish State Airport, Skykomish, Washington USA |
| SAAA | San Antonio de Areco, Argentina |
| SAAC | Concordia Comodoro Pierres, Argentina |
| SAAG | Gualeguaychu, Argentina |
| SAAI | Punta Indio, Argentina |