| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| IRA'S AIRSTRIP | airport | United States | 35.28 | -92.24 | 590 | 0 | |
| IRAAN MUNI | airport | United States | 30.91 | -101.89 | 2200 | 0 | |
| IRC (CIRCLE CITY /NEW/) | airport | United States | 65.83 | -144.08 | 613 | 0 | |
| IRION | airport | United States | 40.13 | -85.89 | 800 | 0 | |
| IRISH HILLS FARMS | airport | United States | 41.61 | -73.24 | 830 | 0 | |
| IRK (KIRKSVILLE RGNL) | airport | United States | 40.09 | -92.54 | 966 | 0 | |
| IRLBECK | airport | United States | 45.10 | -92.67 | 990 | 0 | |
| IRON CO | airport | United States | 46.01 | -88.27 | 1340 | 0 | |
| IRON CROWN | airport | United States | 44.94 | -122.76 | 790 | 0 | |
| IRON MOUNTAIN PUMPING PLANT | airport | United States | 34.13 | -115.12 | 890 | 0 | |
| IRON MOUNTAIN RANCH | airport | United States | 30.27 | -103.24 | 4313 | 0 | |
| IRONHEAD | airport | United States | 33.33 | -97.23 | 715 | 0 | |
| IRONS | airport | United States | 39.38 | -92.38 | 860 | 0 | |
| IRONS POINT | airport | United States | 47.84 | -92.35 | 1358 | 0 | |
| IROQUOIS LANDING | airport | United States | 44.66 | -71.22 | 1180 | 0 | |
| IROQUOIS MEMORIAL HOSPITAL | airport | United States | 40.77 | -87.73 | 677 | 0 |