| Rionero in Vulture to Oberkirch | 643.91 mi (1,036.28 km) |
| Rionero in Vulture to Obernburg am Main | 692.48 mi (1,114.44 km) |
| Rionero in Vulture to Obernkirchen | 842.74 mi (1,356.25 km) |
| Rionero in Vulture to Oberschleissheim | 545.17 mi (877.36 km) |
| Rionero in Vulture to Oberstdorf | 521.78 mi (839.72 km) |
| Rionero in Vulture to Obertraubling | 581.71 mi (936.18 km) |
| Rionero in Vulture to Obertshausen | 712.88 mi (1,147.28 km) |
| Rionero in Vulture to Oberursel | 726.77 mi (1,169.63 km) |
| Rionero in Vulture to Ochsenfurt | 661.52 mi (1,064.61 km) |
| Rionero in Vulture to Ochsenhausen | 568.71 mi (915.25 km) |
| Rionero in Vulture to Ochtrup | 876.41 mi (1,410.45 km) |
| Rionero in Vulture to Odenthal | 809.40 mi (1,302.61 km) |
| Rionero in Vulture to Oelde | 833.99 mi (1,342.17 km) |
| Rionero in Vulture to Oelsnitz | 677.59 mi (1,090.47 km) |
| Rionero in Vulture to Oer-Erkenschwick | 841.73 mi (1,354.63 km) |
