| Abbreviation | Definition |
|---|---|
| NPO | Nangapinoh, Indonesia |
| NPP | Napperby, Northern Territory, Australia |
| NPT | Newport, Rhode Island USA |
| NPT | State International Airport, Newport, Rhode Island USA |
| NQL | Niquelandia, GO, Brazil |
| NQN | Neuquen, NE, Argentina |
| NQU | Nuqui, Colombia |
| NQX | Key West, Florida USA |
| NQY | Newquay, England, UK |
| NRA | Narrandera, New South Wales, Australia |
| NRD | Norderney, Germany |
| NRI | Shangri-La, Oklahoma |
| NRK | Norrkiping, Sweden |
| NRL | North Ronaldsay, England, UK |
| NRM | Nara, Mali |
| NRT | Narita International Airport, Chiba, Japan |
| NRY | Newry, Northern Territory, Australia |
| NSAP | Apia-Faleolo, Western Samoa |
| NSAU | Asau, Western Samoa |
| NSB | Bimini North Sea Plane Base, Bimini, Bahamas |