| Abbreviation | Definition |
|---|---|
| ILU | Kilaguni, Kenya |
| ILX | Ileg, Papua New Guinea |
| ILY | Islay, Scotland, UK |
| ILZ | Zilina, Slovakia |
| IMB | Imbaimadai Airport, Imbaimadai, Guyana |
| IMD | Imonda, Papua New Guinea |
| IMF | Imphal, Indonesia |
| IMG | Inhaminga, Mozambique |
| IMI | Ine Island, Marshall Islands |
| IMK | Simikot, Nepal |
| IML | Imperial, Nebraska USA |
| IMN | Imane, Papua New Guinea |
| IMP | Imperatriz, MA, Brazil |
| IMT | Ford Airport, Iron Mountain, Michigan USA |
| IMZ | Nimroz, Afghanistan |
| INA | Inta, Russia |
| INB | Independence, Belize |
| INC | Yinchuan, Mainland China |
| IND | Indianapolis International Airport, Indianapolis, Indiana USA |
| INE | Chinde, Mozambique |