| Segni to Oberkirch | 530.64 mi (853.99 km) |
| Segni to Obernburg am Main | 593.51 mi (955.17 km) |
| Segni to Obernkirchen | 753.68 mi (1,212.93 km) |
| Segni to Oberschleissheim | 459.19 mi (739.00 km) |
| Segni to Oberstdorf | 417.92 mi (672.57 km) |
| Segni to Obertraubling | 504.85 mi (812.48 km) |
| Segni to Obertshausen | 612.94 mi (986.44 km) |
| Segni to Oberursel | 625.84 mi (1,007.19 km) |
| Segni to Ochsenfurt | 568.46 mi (914.84 km) |
| Segni to Ochsenhausen | 466.19 mi (750.27 km) |
| Segni to Ochtrup | 776.60 mi (1,249.82 km) |
| Segni to Odenthal | 704.06 mi (1,133.08 km) |
| Segni to Oelde | 737.74 mi (1,187.27 km) |
| Segni to Oelsnitz | 604.78 mi (973.30 km) |
| Segni to Oer-Erkenschwick | 739.84 mi (1,190.66 km) |
