| Cumpana to Oberkirch | 1,019.88 mi (1,641.34 km) |
| Cumpana to Obernburg am Main | 993.41 mi (1,598.73 km) |
| Cumpana to Obernkirchen | 1,052.77 mi (1,694.28 km) |
| Cumpana to Oberschleissheim | 859.36 mi (1,383.01 km) |
| Cumpana to Oberstdorf | 907.60 mi (1,460.65 km) |
| Cumpana to Obertraubling | 845.79 mi (1,361.17 km) |
| Cumpana to Obertshausen | 1,010.94 mi (1,626.94 km) |
| Cumpana to Oberursel | 1,024.50 mi (1,648.78 km) |
| Cumpana to Ochsenfurt | 950.07 mi (1,528.99 km) |
| Cumpana to Ochsenhausen | 929.96 mi (1,496.62 km) |
| Cumpana to Ochtrup | 1,126.25 mi (1,812.53 km) |
| Cumpana to Odenthal | 1,102.46 mi (1,774.23 km) |
| Cumpana to Oelde | 1,078.87 mi (1,736.28 km) |
| Cumpana to Oelsnitz | 880.54 mi (1,417.09 km) |
| Cumpana to Oer-Erkenschwick | 1,110.27 mi (1,786.80 km) |
