| Abbreviation | Definition |
|---|---|
| OPKL | Kalat, Pakistan |
| OPKN | Kharan, Pakistan |
| OPKT | Kohat Airport / Air Base, Pakistan |
| OPL | Opelousas, Louisiana USA |
| OPLA | Lahore Airport / Air Base, Pakistan |
| OPLH | Lahore-Walton, Pakistan |
| OPLL | Lora Lai, Pakistan |
| OPMA | Mangla, Pakistan |
| OPMF | Muzaffarabad, Pakistan |
| OPMI | Mianwali Airport / Air Base, Pakistan |
| OPMJ | Moenjodaro (Mohenjo Daro), Pakistan |
| OPMK | Mirpur Khas, Pakistan |
| OPMN | Miranshah Airport / Air Base, Pakistan |
| OPMR | Karachi Masroor Air Base, Pakistan |
| OPMT | Multan, Pakistan |
| OPNH | Nawab Shah, Pakistan |
| OPNK | Nushki, Pakistan |
| OPO | Porto, Portugal |
| OPOK | Okara, Pakistan |
| OPOR | Ormara Airport / Air Base, Pakistan |