| Allestree to Oberkirch | 517.23 mi (832.40 km) |
| Allestree to Obernburg am Main | 505.42 mi (813.39 km) |
| Allestree to Obernkirchen | 446.98 mi (719.35 km) |
| Allestree to Oberschleissheim | 656.77 mi (1,056.96 km) |
| Allestree to Oberstdorf | 644.91 mi (1,037.88 km) |
| Allestree to Obertraubling | 653.51 mi (1,051.73 km) |
| Allestree to Obertshausen | 485.88 mi (781.95 km) |
| Allestree to Oberursel | 471.43 mi (758.69 km) |
| Allestree to Ochsenfurt | 547.90 mi (881.76 km) |
| Allestree to Ochsenhausen | 603.92 mi (971.92 km) |
| Allestree to Ochtrup | 367.66 mi (591.70 km) |
| Allestree to Odenthal | 388.96 mi (625.97 km) |
| Allestree to Oelde | 413.23 mi (665.03 km) |
| Allestree to Oelsnitz | 609.42 mi (980.76 km) |
| Allestree to Oer-Erkenschwick | 379.82 mi (611.27 km) |
