| Momchilgrad to Obernburg am Main | 969.49 mi (1,560.24 km) |
| Momchilgrad to Obernkirchen | 1,064.06 mi (1,712.44 km) |
| Momchilgrad to Oberschleissheim | 819.61 mi (1,319.03 km) |
| Momchilgrad to Oberstdorf | 847.59 mi (1,364.06 km) |
| Momchilgrad to Obertraubling | 822.08 mi (1,323.01 km) |
| Momchilgrad to Obertshausen | 989.20 mi (1,591.96 km) |
| Momchilgrad to Oberursel | 1,003.76 mi (1,615.39 km) |
| Momchilgrad to Ochsenfurt | 927.27 mi (1,492.29 km) |
| Momchilgrad to Ochsenhausen | 880.33 mi (1,416.75 km) |
| Momchilgrad to Ochtrup | 1,127.90 mi (1,815.18 km) |
| Momchilgrad to Odenthal | 1,087.89 mi (1,750.80 km) |
| Momchilgrad to Oelde | 1,079.69 mi (1,737.59 km) |
| Momchilgrad to Oelsnitz | 881.58 mi (1,418.76 km) |
| Momchilgrad to Oer-Erkenschwick | 1,104.62 mi (1,777.72 km) |
| Momchilgrad to Oerlinghausen | 1,066.98 mi (1,717.14 km) |
