| Pernik to Obernburg am Main | 829.24 mi (1,334.53 km) |
| Pernik to Obernkirchen | 929.17 mi (1,495.36 km) |
| Pernik to Oberschleissheim | 678.26 mi (1,091.55 km) |
| Pernik to Oberstdorf | 704.93 mi (1,134.48 km) |
| Pernik to Obertraubling | 682.64 mi (1,098.61 km) |
| Pernik to Obertshausen | 849.14 mi (1,366.56 km) |
| Pernik to Oberursel | 863.77 mi (1,390.10 km) |
| Pernik to Ochsenfurt | 787.35 mi (1,267.12 km) |
| Pernik to Ochsenhausen | 738.05 mi (1,187.78 km) |
| Pernik to Ochtrup | 990.78 mi (1,594.51 km) |
| Pernik to Odenthal | 948.40 mi (1,526.30 km) |
| Pernik to Oelde | 942.67 mi (1,517.08 km) |
| Pernik to Oelsnitz | 745.99 mi (1,200.55 km) |
| Pernik to Oer-Erkenschwick | 966.38 mi (1,555.25 km) |
| Pernik to Oerlinghausen | 930.82 mi (1,498.01 km) |
