| Abbreviation | Definition |
|---|---|
| NKB | Noonkanbah, Western Australia, Australia |
| NKC | Nouakchott, Mauritania |
| NKG | Nanjing, Mainland China |
| NKI | Naukiti, Alaska USA |
| NKL | Nkolo, Zaire |
| NKN | Nankina, Papua New Guinea |
| NKS | Nkongsamba, Cameroon |
| NKU | Nkaus, Lesotho |
| NKV | Nichen Cove, Alaska USA |
| NKX | Miramar Marine Corps Air Station, San Diego, California USA |
| NKY | Nkayi, Congo |
| NLA | Ndola, Zambia |
| NLD | Nuevo Laredo, Mexico |
| NLE | Jerry Tyler Memorial Airport, Niles, Michigan USA |
| NLF | Darnley Island, Queensland, Australia |
| NLG | Nelson Lagoon, Alaska USA |
| NLK | Norfolk Island, Norfolk Island |
| NLL | Nullagine, Western Australia, Australia |
| NLP | Nelspruit, South Africa |
| NLS | Nicholson, Western Australia, Australia |