| Orthez to Obernburg am Main | 642.06 mi (1,033.29 km) |
| Orthez to Obernkirchen | 758.73 mi (1,221.05 km) |
| Orthez to Oberschleissheim | 677.50 mi (1,090.33 km) |
| Orthez to Oberstdorf | 599.49 mi (964.79 km) |
| Orthez to Obertraubling | 723.59 mi (1,164.50 km) |
| Orthez to Obertshausen | 641.77 mi (1,032.83 km) |
| Orthez to Oberursel | 639.69 mi (1,029.47 km) |
| Orthez to Ochsenfurt | 666.88 mi (1,073.25 km) |
| Orthez to Ochsenhausen | 605.07 mi (973.76 km) |
| Orthez to Ochtrup | 705.49 mi (1,135.38 km) |
| Orthez to Odenthal | 638.40 mi (1,027.41 km) |
| Orthez to Oelde | 709.37 mi (1,141.62 km) |
| Orthez to Oelsnitz | 773.71 mi (1,245.17 km) |
| Orthez to Oer-Erkenschwick | 675.32 mi (1,086.83 km) |
| Orthez to Oerlinghausen | 730.55 mi (1,175.70 km) |
