| Oberammergau: AHP |
| Oberammergau: Kaserne Helipad |
| Oberförstchen: Agricultural Airfield |
| Oberhausen: Holten Airfield |
| Oberhinkofen |
| Oberkammlach: Highway Strip |
| Oberleichtersbach: Bad Brückenau-Oberleichtersbach Airfield/Glider Site |
| Oberlichtenau: Agricultural Airfield |
| Oberlommatzsch: Agricultural Airfield |
| Obermehler: Obermehler-Schlotheim Airfield |
| Ober-Mörlen: Airfield |
| Oberndorf: Helipad |
| Obernkirchen: Helipad |
| Oberpfaffenhofen: Airfield |
| Oberrißdorf: Agricultural Airfield |
| Oberröblingen: Agricultural Airfield |
| Oberroßbach: Bad Marienberg/Oberroßbach Airfield/Glider Site |
| Oberschleißheim: Airfield |
| Oberschleißheim: Police Heliport |
| Oberschöna: Agricultural Airfield |
| Oberstdorf: Hospital Helipad |
| Oberstimm: Max-Immelmann-Kaserne Helipad |
| Obertraubling: Oberhinkofen Airfield/Glider Site |
| Oberursel: AHP |
| Oberviechtach: Hospital Helipad |
| Oberviechtach: Kaserne Helipad |
| Ochsenfurt: Airfield |
| Ochsenfurt: Hospital Helipad |
| Ochsenhausen: Airfield/Glider Site |
| Ochtendung: Helipad |
| Ochtrup: Materialdepot Helipad |
| Ockrilla: Agricultural Airfield |
| Oedheim: Heliport |
| Oedheim: Operational Airfield |
| Oelde: Helipad |
| Oer-Erkenschwick: Fire Station Helipad |
| Oerlenbach: Federal Police Helipad |
| Oerlinghausen: Airfield |
| Oesterdeichstrich: Heide-Büsum Airfield |
| Oettingen in Bayern: Heuberg Airfield |
| Oeventrop: Ruhrwiesen Airfield/Glider Site |
| Offenbach: Hospital Helipad |
| Offenburg: Airfield |
| Offenburg: Klinikum Hospital Helipad |
| Offenburg: St. Josefsklinik Hospital Helipad |
| Ogkeln: Agricultural Airfield |
| Ohlstadt: Airfield |
| Ohrdruf: Training Area Helipad |
| Oldenburg: Air Base |
| Oldenburg: Donnerschwee-Kaserne Helipad |
| Oldenburg: Hatten Airfield |
| Oldenburg: Henning-von-Tresckow-Kaserne Helipad |
| Oldenburg: Hospital Helipad |
| Oldenburg: Police Helipad |
| Oldenburg in Holstein: Hospital Helipad |
| Oldisleben: Agricultural Airfield |
| Ollendorf |
| Olpe: Hospital Helipad |
| Oppenheim: Airfield |
| Oppin: Halle-Oppin Airfield |
| Oranienbaum: Airfield |
| Oranienburg: Air Base |
| Oranienburg: Hospital Helipad |
| Oranienburg: Lehnitz Kaserne Helipad |
| Oschatz: Air Base |
| Oschatz: Airfield |
| Oschatz: Hospital Helipad |
| Oschersleben: AGO Airfield |
| Oschersleben: Agricultural Airfield |
| Oschersleben: Airfield/Glider Site |
| Osnabrück: Airfield |
| Osnabrück: Atterheide Airfield |
| Osnabrück: Bundeswehr-Krankenhaus Hospital Helipad |
| Osnabrück: Franziskus Hospital Helipad |
| Osnabrück: Hospital Helipad |
| Osnabrück: Imphal/Mercer Barracks Helipad |
| Osnabrück: Klinikum Hospital Helipad |
| Osnabrück: Quebec Barracks Helipad |
| Ossig: Agricultural Airfield |
| Ostenholz: Helipad |
| Osterburg: Krevese Airfield |
| Osterburken: Schlierstadt-Seligenberg Airfield |
| Ostercappeln: Hospital Helipad |
| Osterholz-Scharmbeck: Airfield/Glider Site |
| Osterholz-Scharmbeck: Hospital Helipad |
| Ostfildern: Ruit Hospital Helipad |
| Ostheim vor der Rhön: Büchig Airfield/Glider Site |
| Ostheim vor der Rhön: Lindenberg Airfield/Glider Site |
| Ottengrüner Heide |
| Otterndorf: Helipad |
| Otterndorf: Hospital Helipad |
| Ottobrunn: Helipad |
| Owstin: Agricultural Airfield |