| Abbreviation | Definition |
|---|---|
| SOU | Southampton, England, UK |
| SOW | Show Low, Arizona |
| SOX | Sogamoso, Colombia |
| SOY | Stronsay, England, UK |
| SOZ | Solenzara, France |
| SPAA | Caraz, Peru |
| SPAB | Huanacabamba, Peru |
| SPAC | Ciro Alegria, Peru |
| SPAG | Aguayta, Peru |
| SPAI | Urpay, Peru |
| SPAL | Alao, Peru |
| SPAM | Camana, Peru |
| SPAN | Sullana, Peru |
| SPAO | San Juan Aposento, Peru |
| SPAP | Picota, Peru |
| SPAR | Alerta, Peru |
| SPAS | Andoas, Peru |
| SPAT | Aguas Calientes, Peru |
| SPAY | Atalaya, Peru |
| SPB | St. Thomas Sea Plane Base, St. Thomas, Virgin Islands |