| Charleroi to Provadia | 1,190.39 mi (1,915.75 km) |
| Charleroi to Radnevo | 1,162.15 mi (1,870.30 km) |
| Charleroi to Radomir | 1,030.36 mi (1,658.21 km) |
| Charleroi to Rakitovo | 1,100.10 mi (1,770.44 km) |
| Charleroi to Rakovski | 1,122.90 mi (1,807.14 km) |
| Charleroi to Razgrad | 1,138.57 mi (1,832.35 km) |
| Charleroi to Razlog | 1,079.84 mi (1,737.84 km) |
| Charleroi to Ruse | 1,104.11 mi (1,776.89 km) |
| Charleroi to Samokov | 1,063.73 mi (1,711.90 km) |
| Charleroi to Sandanski | 1,086.57 mi (1,748.66 km) |
| Charleroi to Sevlievo | 1,099.13 mi (1,768.87 km) |
| Charleroi to Shumen | 1,165.49 mi (1,875.68 km) |
| Charleroi to Silistra | 1,149.30 mi (1,849.62 km) |
| Charleroi to Sliven | 1,163.36 mi (1,872.25 km) |
| Charleroi to Smolyan | 1,142.18 mi (1,838.16 km) |
