| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| IAA (Igarka Airport) | airport | 67.44 | 86.62 | 82 | 0 | ||
| IAB (MC CONNELL AFB) | airport | United States | 37.62 | -97.27 | 1371 | 0 | |
| IAD (WASHINGTON DULLES INTL) | airport | United States | 38.94 | -77.46 | 313 | 0 | |
| IAG (NIAGARA FALLS INTL) | airport | United States | 43.11 | -78.95 | 589 | 0 | |
| IAH (GEORGE BUSH INTCNTL HOUSTON) | airport | United States | 29.98 | -95.34 | 97 | 0 | |
| IAL (Ialibu Airport) | airport | -6.28 | 143.99 | 6736 | 0 | ||
| IAM (IN AMENAS) | airport | Algeria | 28.05 | 9.64 | 1847 | 0 | |
| IAN (BOB BAKER MEM) | airport | United States | 66.98 | -160.44 | 166 | 0 | |
| IANCA | airport | Romania | 45.16 | 27.43 | 131 | 0 | |
| IAO (SIARGAO) | airport | Philippines | 9.86 | 126.01 | 10 | 0 | |
| IAR (TUNOSHNA) | airport | Russia | 57.56 | 40.16 | 305 | 0 | |
| IAS (IASI) | airport | Romania | 47.18 | 27.62 | 397 | 0 | |
| IASI | airport | Romania | 47.18 | 27.62 | 397 | 0 | |
| IAT (Haycock Airport) | airport | 65.20 | -161.16 | 0 | |||
| IAUARETE | airport | Brazil | 0.61 | -69.19 | 345 | 0 | |
| IAsinovataia | city | Donets'ka Oblast' | Ukraine | 48.13 | 37.86 | 830 | 60418 |