| Blegny to Provadia | 1,141.29 mi (1,836.73 km) |
| Blegny to Radnevo | 1,116.06 mi (1,796.12 km) |
| Blegny to Radomir | 987.32 mi (1,588.94 km) |
| Blegny to Rakitovo | 1,056.79 mi (1,700.73 km) |
| Blegny to Rakovski | 1,077.90 mi (1,734.71 km) |
| Blegny to Razgrad | 1,089.63 mi (1,753.59 km) |
| Blegny to Razlog | 1,037.55 mi (1,669.78 km) |
| Blegny to Ruse | 1,055.12 mi (1,698.05 km) |
| Blegny to Samokov | 1,020.35 mi (1,642.09 km) |
| Blegny to Sandanski | 1,045.21 mi (1,682.10 km) |
| Blegny to Sevlievo | 1,052.49 mi (1,693.82 km) |
| Blegny to Shumen | 1,116.64 mi (1,797.06 km) |
| Blegny to Silistra | 1,098.72 mi (1,768.23 km) |
| Blegny to Sliven | 1,116.15 mi (1,796.27 km) |
| Blegny to Smolyan | 1,098.90 mi (1,768.50 km) |
