| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| OFF (OFFUTT AFB) | airport | United States | 41.12 | -95.91 | 1052 | 0 | |
| OFFSHORE SYSTEMS-KENAI | airport | United States | 60.74 | -151.31 | 150 | 0 | |
| OFFUTT ACRES | airport | United States | 40.98 | -79.57 | 865 | 0 | |
| OFFUTT AFB | airport | United States | 41.12 | -95.91 | 1052 | 0 | |
| OFI (Ouango Fitini Airport) | airport | 9.60 | -4.05 | 974 | 0 | ||
| OFICINA VICTORIA | airport | United States | -20.73 | -69.63 | 3280 | 0 | |
| OFJ (Ólafsfjörður Airport) | airport | 66.08 | -18.67 | 32 | 0 | ||
| OFK (KARL STEFAN MEM) | airport | United States | 41.99 | -97.44 | 1573 | 0 | |
| OFU | airport | United States | -14.18 | -169.67 | 9 | 0 | |
| OFU (Ofu Village Airport) | airport | -14.18 | -169.67 | 9 | 0 |