| Charleroi to Obernburg am Main | 212.10 mi (341.33 km) |
| Charleroi to Obernkirchen | 239.77 mi (385.87 km) |
| Charleroi to Oberschleissheim | 353.73 mi (569.27 km) |
| Charleroi to Oberstdorf | 336.25 mi (541.14 km) |
| Charleroi to Obertraubling | 359.46 mi (578.49 km) |
| Charleroi to Obertshausen | 195.79 mi (315.10 km) |
| Charleroi to Oberursel | 183.35 mi (295.07 km) |
| Charleroi to Ochsenfurt | 255.31 mi (410.88 km) |
| Charleroi to Ochsenhausen | 296.14 mi (476.58 km) |
| Charleroi to Ochtrup | 172.45 mi (277.53 km) |
| Charleroi to Odenthal | 125.27 mi (201.60 km) |
| Charleroi to Oelde | 189.16 mi (304.42 km) |
| Charleroi to Oelsnitz | 340.38 mi (547.79 km) |
| Charleroi to Oer-Erkenschwick | 149.52 mi (240.63 km) |
| Charleroi to Oerlinghausen | 212.87 mi (342.58 km) |
