| Samokov to Obernburg am Main | 861.17 mi (1,385.93 km) |
| Samokov to Obernkirchen | 960.09 mi (1,545.12 km) |
| Samokov to Oberschleissheim | 710.36 mi (1,143.22 km) |
| Samokov to Oberstdorf | 737.14 mi (1,186.31 km) |
| Samokov to Obertraubling | 714.42 mi (1,149.75 km) |
| Samokov to Obertshausen | 881.05 mi (1,417.91 km) |
| Samokov to Oberursel | 895.66 mi (1,441.43 km) |
| Samokov to Ochsenfurt | 819.23 mi (1,318.42 km) |
| Samokov to Ochsenhausen | 770.26 mi (1,239.62 km) |
| Samokov to Ochtrup | 1,022.16 mi (1,645.00 km) |
| Samokov to Odenthal | 980.21 mi (1,577.50 km) |
| Samokov to Oelde | 974.01 mi (1,567.53 km) |
| Samokov to Oelsnitz | 777.01 mi (1,250.48 km) |
| Samokov to Oer-Erkenschwick | 997.97 mi (1,606.08 km) |
| Samokov to Oerlinghausen | 962.00 mi (1,548.18 km) |
