| Columbine to Oberkirch | 5,107.79 mi (8,220.19 km) |
| Columbine to Obernburg am Main | 5,081.71 mi (8,178.22 km) |
| Columbine to Obernkirchen | 4,967.49 mi (7,994.41 km) |
| Columbine to Oberschleissheim | 5,237.01 mi (8,428.15 km) |
| Columbine to Oberstdorf | 5,234.95 mi (8,424.84 km) |
| Columbine to Obertraubling | 5,221.58 mi (8,403.31 km) |
| Columbine to Obertshausen | 5,061.02 mi (8,144.92 km) |
| Columbine to Oberursel | 5,046.27 mi (8,121.19 km) |
| Columbine to Ochsenfurt | 5,120.81 mi (8,241.16 km) |
| Columbine to Ochsenhausen | 5,192.12 mi (8,355.91 km) |
| Columbine to Ochtrup | 4,909.37 mi (7,900.87 km) |
| Columbine to Odenthal | 4,960.33 mi (7,982.88 km) |
| Columbine to Oelde | 4,956.99 mi (7,977.51 km) |
| Columbine to Oelsnitz | 5,150.89 mi (8,289.56 km) |
| Columbine to Oer-Erkenschwick | 4,936.93 mi (7,945.22 km) |
