| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| OBAN | airport | United Kingdom | 56.46 | -5.40 | 20 | 0 | |
| OBANDO | airport | Colombia | 3.85 | -67.91 | 460 | 0 | |
| OBANNON CREEK AERODROME | airport | United States | 39.24 | -84.18 | 835 | 0 | |
| OBBI (BAHRAIN INTL) | airport | Bahrain | 26.27 | 50.63 | 6 | 0 | |
| OBBS (SHAIKH ISA) | airport | Bahrain | 25.92 | 50.59 | 136 | 0 | |
| OBC (Obock Airport) | airport | 11.97 | 43.27 | 69 | 0 | ||
| OBD (Obano Airport) | airport | -3.91 | 136.23 | 5800 | 0 | ||
| OBE (OKEECHOBEE CO) | airport | United States | 27.26 | -80.85 | 34 | 0 | |
| OBERA | airport | Argentina | -27.52 | -55.12 | 1125 | 0 | |
| OBERLANDER | airport | United States | 41.86 | -79.91 | 1626 | 0 | |
| OBERLIN MUNI | airport | United States | 39.83 | -100.54 | 2703 | 0 | |
| OBERMEHLER SCHLOTHEIM | airport | Germany | 51.27 | 10.63 | 909 | 0 | |
| OBERPFAFFENHOFEN | airport | Germany | 48.08 | 11.28 | 1947 | 0 | |
| OBF (OBERPFAFFENHOFEN) | airport | Germany | 48.08 | 11.28 | 1947 | 0 | |
| OBI (Óbidos Airport) | airport | -1.87 | -55.51 | 328 | 0 | ||
| OBI ONE | airport | United States | 40.35 | -83.05 | 952 | 0 | |
| OBIDOS | airport | Brazil | -1.87 | -55.51 | 328 | 0 | |
| OBIHIRO | airport | Japan | 42.73 | 143.22 | 505 | 0 | |
| OBKH (Sakhir Air Base) | airport | 26.03 | 50.52 | 49 | 0 | ||
| OBL (ZOERSEL) | airport | Belgium | 51.26 | 4.75 | 53 | 0 | |
| OBM (Morobe Airport) | airport | -7.74 | 147.59 | 8 | 0 | ||
| OBN (OBAN) | airport | United Kingdom | 56.46 | -5.40 | 20 | 0 | |
| OBO (OBIHIRO) | airport | Japan | 42.73 | 143.22 | 505 | 0 | |
| OBS (ARDECHE MERIDIONALE) | airport | France | 44.54 | 4.37 | 923 | 0 | |
| OBU (KOBUK) | airport | United States | 66.91 | -156.90 | 137 | 0 | |
| OBX (Obo Airport) | airport | -7.59 | 141.32 | 29 | 0 | ||
| OBY (Ittoqqortoormiit Heliport) | airport | 70.49 | -21.97 | 238 | 0 |