| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| OHA (OHAKEA) | airport | New Zealand | -40.21 | 175.39 | 164 | 0 | |
| OHAKEA | airport | New Zealand | -40.21 | 175.39 | 164 | 0 | |
| OHB (Ambohibary Airport) | airport | -18.92 | 48.22 | 2960 | 0 | ||
| OHD (OHRID) | airport | Macedonia | 41.18 | 20.74 | 2313 | 0 | |
| OHE (Gu-Lian Airport) | airport | 52.91 | 122.43 | 1836 | 0 | ||
| OHH (Okha Airport) | airport | 53.52 | 142.89 | 115 | 0 | ||
| OHHO | airport | United States | 30.27 | -98.11 | 1340 | 0 | |
| OHI (Oshakati Airport) | airport | -17.80 | 15.70 | 3616 | 0 | ||
| OHIO BLDG AUTHORITY | airport | United States | 39.96 | -83.00 | 1354 | 0 | |
| OHIO CO | airport | United States | 37.46 | -86.85 | 535 | 0 | |
| OHIO DEPARTMENT OF TRANSPORTATION DIST 6 | airport | United States | 40.30 | -83.05 | 927 | 0 | |
| OHIO DUSTING CO INC | airport | United States | 40.95 | -83.98 | 765 | 0 | |
| OHIO STATE UNIVERSITY | airport | United States | 40.08 | -83.07 | 905 | 0 | |
| OHIO UNIVERSITY SNYDER FLD | airport | United States | 39.21 | -82.23 | 766 | 0 | |
| OHIOPORT | airport | United States | 39.89 | -79.51 | 2018 | 0 | |
| OHLENDORF | airport | United States | 35.62 | -89.99 | 232 | 0 | |
| OHMAN RANCH | airport | United States | 43.93 | -105.65 | 4905 | 0 | |
| OHO (Okhotsk Airport) | airport | 59.41 | 143.06 | 0 | |||
| OHR (Wyk auf Föhr Airport) | airport | 54.68 | 8.53 | 26 | 0 | ||
| OHRID | airport | Macedonia | 41.18 | 20.74 | 2313 | 0 | |
| OHT (Kohat Airport) | airport | 33.57 | 71.44 | 1650 | 0 |