| Castrovillari to Oberkirch | 723.30 mi (1,164.04 km) |
| Castrovillari to Obernburg am Main | 773.28 mi (1,244.48 km) |
| Castrovillari to Obernkirchen | 923.74 mi (1,486.62 km) |
| Castrovillari to Oberschleissheim | 626.19 mi (1,007.75 km) |
| Castrovillari to Oberstdorf | 602.03 mi (968.88 km) |
| Castrovillari to Obertraubling | 662.51 mi (1,066.21 km) |
| Castrovillari to Obertshausen | 793.65 mi (1,277.26 km) |
| Castrovillari to Oberursel | 807.50 mi (1,299.54 km) |
| Castrovillari to Ochsenfurt | 742.50 mi (1,194.94 km) |
| Castrovillari to Ochsenhausen | 649.16 mi (1,044.72 km) |
| Castrovillari to Ochtrup | 957.27 mi (1,540.57 km) |
| Castrovillari to Odenthal | 889.88 mi (1,432.12 km) |
| Castrovillari to Oelde | 914.95 mi (1,472.47 km) |
| Castrovillari to Oelsnitz | 758.03 mi (1,219.93 km) |
| Castrovillari to Oer-Erkenschwick | 922.46 mi (1,484.56 km) |
