| Cardito to Oberkirch | 605.83 mi (974.99 km) |
| Cardito to Obernburg am Main | 662.87 mi (1,066.79 km) |
| Cardito to Obernkirchen | 819.13 mi (1,318.26 km) |
| Cardito to Oberschleissheim | 521.90 mi (839.92 km) |
| Cardito to Oberstdorf | 488.60 mi (786.32 km) |
| Cardito to Obertraubling | 563.51 mi (906.88 km) |
| Cardito to Obertshausen | 682.80 mi (1,098.85 km) |
| Cardito to Oberursel | 696.16 mi (1,120.37 km) |
| Cardito to Ochsenfurt | 635.08 mi (1,022.06 km) |
| Cardito to Ochsenhausen | 536.56 mi (863.51 km) |
| Cardito to Ochtrup | 846.84 mi (1,362.85 km) |
| Cardito to Odenthal | 776.47 mi (1,249.60 km) |
| Cardito to Oelde | 806.34 mi (1,297.68 km) |
| Cardito to Oelsnitz | 662.07 mi (1,065.49 km) |
| Cardito to Oer-Erkenschwick | 810.88 mi (1,304.98 km) |
