| Castelnau-le-Lez to Obernburg am Main | 494.93 mi (796.52 km) |
| Castelnau-le-Lez to Obernkirchen | 642.82 mi (1,034.53 km) |
| Castelnau-le-Lez to Oberschleissheim | 486.61 mi (783.13 km) |
| Castelnau-le-Lez to Oberstdorf | 403.81 mi (649.87 km) |
| Castelnau-le-Lez to Obertraubling | 539.06 mi (867.54 km) |
| Castelnau-le-Lez to Obertshausen | 501.39 mi (806.91 km) |
| Castelnau-le-Lez to Oberursel | 504.24 mi (811.50 km) |
| Castelnau-le-Lez to Ochsenfurt | 507.68 mi (817.03 km) |
| Castelnau-le-Lez to Ochsenhausen | 422.31 mi (679.65 km) |
| Castelnau-le-Lez to Ochtrup | 611.14 mi (983.53 km) |
| Castelnau-le-Lez to Odenthal | 532.61 mi (857.16 km) |
| Castelnau-le-Lez to Oelde | 599.47 mi (964.76 km) |
| Castelnau-le-Lez to Oelsnitz | 608.30 mi (978.96 km) |
| Castelnau-le-Lez to Oer-Erkenschwick | 574.50 mi (924.57 km) |
| Castelnau-le-Lez to Oerlinghausen | 616.22 mi (991.70 km) |
