| Denderleeuw to Provadia | 1,214.52 mi (1,954.58 km) |
| Denderleeuw to Radnevo | 1,188.42 mi (1,912.57 km) |
| Denderleeuw to Radomir | 1,058.43 mi (1,703.37 km) |
| Denderleeuw to Rakitovo | 1,128.03 mi (1,815.38 km) |
| Denderleeuw to Rakovski | 1,149.85 mi (1,850.50 km) |
| Denderleeuw to Razgrad | 1,162.82 mi (1,871.37 km) |
| Denderleeuw to Razlog | 1,108.32 mi (1,783.67 km) |
| Denderleeuw to Ruse | 1,128.31 mi (1,815.84 km) |
| Denderleeuw to Samokov | 1,091.61 mi (1,756.78 km) |
| Denderleeuw to Sandanski | 1,115.53 mi (1,795.27 km) |
| Denderleeuw to Sevlievo | 1,125.03 mi (1,810.55 km) |
| Denderleeuw to Shumen | 1,189.81 mi (1,914.81 km) |
| Denderleeuw to Silistra | 1,172.22 mi (1,886.50 km) |
| Denderleeuw to Sliven | 1,188.88 mi (1,913.31 km) |
| Denderleeuw to Smolyan | 1,170.13 mi (1,883.14 km) |
