| Alfena to Oberkirch | 953.55 mi (1,534.59 km) |
| Alfena to Obernburg am Main | 1,037.11 mi (1,669.07 km) |
| Alfena to Obernkirchen | 1,125.08 mi (1,810.64 km) |
| Alfena to Oberschleissheim | 1,094.15 mi (1,760.86 km) |
| Alfena to Oberstdorf | 1,019.20 mi (1,640.24 km) |
| Alfena to Obertraubling | 1,136.52 mi (1,829.05 km) |
| Alfena to Obertshausen | 1,032.68 mi (1,661.94 km) |
| Alfena to Oberursel | 1,027.58 mi (1,653.72 km) |
| Alfena to Ochsenfurt | 1,067.93 mi (1,718.67 km) |
| Alfena to Ochsenhausen | 1,019.79 mi (1,641.19 km) |
| Alfena to Ochtrup | 1,057.86 mi (1,702.47 km) |
| Alfena to Odenthal | 1,005.63 mi (1,618.40 km) |
| Alfena to Oelde | 1,074.22 mi (1,728.79 km) |
| Alfena to Oelsnitz | 1,174.83 mi (1,890.70 km) |
| Alfena to Oer-Erkenschwick | 1,035.56 mi (1,666.58 km) |
