| Cholargos to Oberkirch | 1,070.81 mi (1,723.30 km) |
| Cholargos to Obernburg am Main | 1,092.19 mi (1,757.71 km) |
| Cholargos to Obernkirchen | 1,213.13 mi (1,952.34 km) |
| Cholargos to Oberschleissheim | 936.89 mi (1,507.78 km) |
| Cholargos to Oberstdorf | 942.97 mi (1,517.57 km) |
| Cholargos to Obertraubling | 953.82 mi (1,535.02 km) |
| Cholargos to Obertshausen | 1,112.88 mi (1,791.01 km) |
| Cholargos to Oberursel | 1,127.63 mi (1,814.74 km) |
| Cholargos to Ochsenfurt | 1,053.28 mi (1,695.09 km) |
| Cholargos to Ochsenhausen | 983.87 mi (1,583.38 km) |
| Cholargos to Ochtrup | 1,266.35 mi (2,037.99 km) |
| Cholargos to Odenthal | 1,213.57 mi (1,953.05 km) |
| Cholargos to Oelde | 1,219.28 mi (1,962.24 km) |
| Cholargos to Oelsnitz | 1,030.73 mi (1,658.81 km) |
| Cholargos to Oer-Erkenschwick | 1,237.60 mi (1,991.72 km) |
