| Abbreviation | Definition |
|---|---|
| PIL | Pilar, Paraguay |
| PIM | Callaway Gardens, Rome, Georgia USA |
| PIO | Pisco, Peru |
| PIP | Pilot Point Airport, Pilot Point, Alaska USA |
| PIP | Pilot Point, Alaska USA |
| PIR | Pierre, South Dakota USA |
| PIS | Poitiers, France |
| PIT | Pittsburgh International Airport, Pittsburgh, Pennsylvania USA |
| PIU | Piura, Peru |
| PIW | Pikwitonei, Manitoba, Canada |
| PIX | Pico Island, Azores, Portugal |
| PIZ | Point Lay, Alaska USA |
| PJB | Payson, Arizona USA |
| PJC | Pedro Juan Caballero, Paraguay |
| PJG | Panjgur, Pakistan |
| PJM | Puerto Jimenez, Costa Rica |
| PJON | Johnston Atoll Airport, Johnston Atoll |
| PJS | Port San Juan, Alaska USA |
| PJY | Pinckneyville, Illinois USA |
| PJZ | Puerto Juarez, Mexico |