| Walcourt to Provadia | 1,188.31 mi (1,912.40 km) |
| Walcourt to Radnevo | 1,159.25 mi (1,865.64 km) |
| Walcourt to Radomir | 1,026.76 mi (1,652.41 km) |
| Walcourt to Rakitovo | 1,096.54 mi (1,764.71 km) |
| Walcourt to Rakovski | 1,119.74 mi (1,802.05 km) |
| Walcourt to Razgrad | 1,136.45 mi (1,828.94 km) |
| Walcourt to Razlog | 1,076.05 mi (1,731.74 km) |
| Walcourt to Ruse | 1,102.00 mi (1,773.50 km) |
| Walcourt to Samokov | 1,060.19 mi (1,706.21 km) |
| Walcourt to Sandanski | 1,082.57 mi (1,742.23 km) |
| Walcourt to Sevlievo | 1,096.38 mi (1,764.45 km) |
| Walcourt to Shumen | 1,163.34 mi (1,872.21 km) |
| Walcourt to Silistra | 1,147.67 mi (1,846.99 km) |
| Walcourt to Sliven | 1,160.76 mi (1,868.06 km) |
| Walcourt to Smolyan | 1,138.61 mi (1,832.41 km) |
