| Colton to Oberkirch | 5,814.97 mi (9,358.29 km) |
| Colton to Obernburg am Main | 5,780.56 mi (9,302.92 km) |
| Colton to Obernkirchen | 5,655.69 mi (9,101.95 km) |
| Colton to Oberschleissheim | 5,935.55 mi (9,552.35 km) |
| Colton to Oberstdorf | 5,940.60 mi (9,560.48 km) |
| Colton to Obertraubling | 5,915.37 mi (9,519.86 km) |
| Colton to Obertshausen | 5,759.76 mi (9,269.44 km) |
| Colton to Oberursel | 5,745.13 mi (9,245.89 km) |
| Colton to Ochsenfurt | 5,817.87 mi (9,362.96 km) |
| Colton to Ochsenhausen | 5,896.05 mi (9,488.78 km) |
| Colton to Ochtrup | 5,603.12 mi (9,017.35 km) |
| Colton to Odenthal | 5,659.52 mi (9,108.12 km) |
| Colton to Oelde | 5,649.84 mi (9,092.53 km) |
| Colton to Oelsnitz | 5,838.48 mi (9,396.13 km) |
| Colton to Oer-Erkenschwick | 5,633.06 mi (9,065.54 km) |
