| Aylesbury to Oberkirch | 453.88 mi (730.46 km) |
| Aylesbury to Obernburg am Main | 454.95 mi (732.17 km) |
| Aylesbury to Obernkirchen | 422.83 mi (680.47 km) |
| Aylesbury to Oberschleissheim | 601.14 mi (967.45 km) |
| Aylesbury to Oberstdorf | 581.56 mi (935.94 km) |
| Aylesbury to Obertraubling | 603.73 mi (971.61 km) |
| Aylesbury to Obertshausen | 436.63 mi (702.68 km) |
| Aylesbury to Oberursel | 422.79 mi (680.41 km) |
| Aylesbury to Ochsenfurt | 498.20 mi (801.77 km) |
| Aylesbury to Ochsenhausen | 543.17 mi (874.15 km) |
| Aylesbury to Ochtrup | 341.22 mi (549.14 km) |
| Aylesbury to Odenthal | 345.69 mi (556.33 km) |
| Aylesbury to Oelde | 382.49 mi (615.56 km) |
| Aylesbury to Oelsnitz | 570.39 mi (917.95 km) |
| Aylesbury to Oer-Erkenschwick | 345.10 mi (555.38 km) |
