| Charleroi to Navodari | 1,200.56 mi (1,932.12 km) |
| Charleroi to Negresti-Oas | 873.58 mi (1,405.90 km) |
| Charleroi to Nehoiu | 1,067.24 mi (1,717.55 km) |
| Charleroi to Ocna Mures | 930.19 mi (1,497.00 km) |
| Charleroi to Odobesti | 1,087.75 mi (1,750.56 km) |
| Charleroi to Odorheiu Secuiesc | 995.05 mi (1,601.37 km) |
| Charleroi to Oltenita | 1,123.69 mi (1,808.40 km) |
| Charleroi to Onesti | 1,060.64 mi (1,706.94 km) |
| Charleroi to Oradea | 827.20 mi (1,331.24 km) |
| Charleroi to Orastie | 917.81 mi (1,477.08 km) |
| Charleroi to Oravita | 880.55 mi (1,417.12 km) |
| Charleroi to Orsova | 921.59 mi (1,483.16 km) |
| Charleroi to Otelu Rosu | 892.27 mi (1,435.96 km) |
| Charleroi to Otopeni | 1,083.39 mi (1,743.55 km) |
| Charleroi to Ovidiu | 1,199.98 mi (1,931.18 km) |
