| Charleroi to Oestrich-Winkel | 160.13 mi (257.71 km) |
| Charleroi to Offenburg | 206.30 mi (332.01 km) |
| Charleroi to Oftersheim | 197.99 mi (318.64 km) |
| Charleroi to Ohrdruf | 277.68 mi (446.88 km) |
| Charleroi to Ohringen | 240.63 mi (387.26 km) |
| Charleroi to Olbernhau | 391.07 mi (629.36 km) |
| Charleroi to Olching | 345.20 mi (555.55 km) |
| Charleroi to Oldenburg | 249.07 mi (400.83 km) |
| Charleroi to Oldenburg in Holstein | 382.74 mi (615.97 km) |
| Charleroi to Olfen | 157.11 mi (252.84 km) |
| Charleroi to Olpe | 154.73 mi (249.02 km) |
| Charleroi to Olsberg | 188.35 mi (303.12 km) |
| Charleroi to Oranienburg | 411.18 mi (661.73 km) |
| Charleroi to Ortenberg | 203.65 mi (327.74 km) |
| Charleroi to Oschatz | 383.22 mi (616.73 km) |
