| Bertem to Obernburg am Main | 211.32 mi (340.08 km) |
| Bertem to Obernkirchen | 216.66 mi (348.67 km) |
| Bertem to Oberschleissheim | 359.41 mi (578.42 km) |
| Bertem to Oberstdorf | 349.16 mi (561.92 km) |
| Bertem to Obertraubling | 360.10 mi (579.52 km) |
| Bertem to Obertshausen | 193.18 mi (310.89 km) |
| Bertem to Oberursel | 179.57 mi (288.99 km) |
| Bertem to Ochsenfurt | 254.59 mi (409.72 km) |
| Bertem to Ochsenhausen | 306.72 mi (493.62 km) |
| Bertem to Ochtrup | 144.94 mi (233.25 km) |
| Bertem to Odenthal | 109.57 mi (176.34 km) |
| Bertem to Oelde | 166.93 mi (268.64 km) |
| Bertem to Oelsnitz | 332.08 mi (534.43 km) |
| Bertem to Oer-Erkenschwick | 126.38 mi (203.39 km) |
| Bertem to Oerlinghausen | 190.80 mi (307.07 km) |
