| Abbreviation | Definition |
|---|---|
| OOA | Oskaloosa, Iowa USA |
| OOBB | Butabul, Oman |
| OOBR | Buraimi, Oman |
| OOFD | Fahud, Oman |
| OOFQ | Firq, Oman |
| OOGB | Ghaba-Qarn Alam, Oman |
| OOHA | Haima, Oman |
| OOIA | Ibra, Oman |
| OOII | Ibri, Oman |
| OOIZ | Izki, Oman |
| OOJN | Jarf North, Oman |
| OOK | Toksook Bay, Alaska USA |
| OOKB | Khasab, Oman |
| OOL | Gold Coast, Queensland, Australia |
| OOLK | Lekhwair, Oman |
| OOM | Cooma, New South Wales, Australia |
| OOMA | Masirah, Oman |
| OOMS | Muscat Seeb International, Oman |
| OONR | Marmul-Nasir, Oman |
| OONZ | Nizwa, Oman |