| Abbreviation | Definition |
|---|---|
| SUE | Sturgeon Bay, Wisconsin USA |
| SUF | Lamezia Terme, Italy |
| SUG | Surigao, Philippines |
| SUH | Sur, Oman |
| SUI | Sukhumi, Russia |
| SUJ | Satu Mare, Romania |
| SUK | Samchok, Republic Of Korea |
| SUL | Sui, Pakistan |
| SULS | Maldonado Carlos A. Curbelo, Uruguay |
| SUME | Mercedes Ricardo de Tomasi, Uruguay |
| SUMO | Melo, Uruguay |
| SUMU | Montevideo Carrasco Internatio, Uruguay |
| SUN | Sun Valley, Idaho USA |
| SUPE | Punta del Este El Jacuel, Uruguay |
| SUPU | Paysandu, Uruguay |
| SUQ | Sucua, Ecuador |
| SUR | Summer Beaver, Ontario, Canada |
| SURV | Rivera Aeropuerto Departamenta, Uruguay |
| SUS | Spirit of St. Louis Airport, St. Louis, Missouri USA |
| SUSP | Salto Aeropuerto Departamental, Uruguay |