| Bockhorn to Obernburg am Main | 250.65 mi (403.38 km) |
| Bockhorn to Obernkirchen | 90.81 mi (146.15 km) |
| Bockhorn to Oberschleissheim | 387.98 mi (624.39 km) |
| Bockhorn to Oberstdorf | 425.65 mi (685.03 km) |
| Bockhorn to Obertraubling | 355.07 mi (571.43 km) |
| Bockhorn to Obertshausen | 232.94 mi (374.88 km) |
| Bockhorn to Oberursel | 222.16 mi (357.53 km) |
| Bockhorn to Ochsenfurt | 273.65 mi (440.39 km) |
| Bockhorn to Ochsenhausen | 377.64 mi (607.76 km) |
| Bockhorn to Ochtrup | 89.45 mi (143.96 km) |
| Bockhorn to Odenthal | 167.90 mi (270.21 km) |
| Bockhorn to Oelde | 108.39 mi (174.44 km) |
| Bockhorn to Oelsnitz | 271.53 mi (436.99 km) |
| Bockhorn to Oer-Erkenschwick | 125.65 mi (202.21 km) |
| Bockhorn to Oerlinghausen | 102.70 mi (165.29 km) |
