| Dour to Provadia | 1,218.06 mi (1,960.28 km) |
| Dour to Radnevo | 1,189.11 mi (1,913.69 km) |
| Dour to Radomir | 1,056.55 mi (1,700.36 km) |
| Dour to Rakitovo | 1,126.34 mi (1,812.67 km) |
| Dour to Rakovski | 1,149.59 mi (1,850.09 km) |
| Dour to Razgrad | 1,166.21 mi (1,876.83 km) |
| Dour to Razlog | 1,105.81 mi (1,779.62 km) |
| Dour to Ruse | 1,131.76 mi (1,821.39 km) |
| Dour to Samokov | 1,090.00 mi (1,754.18 km) |
| Dour to Sandanski | 1,112.27 mi (1,790.02 km) |
| Dour to Sevlievo | 1,126.23 mi (1,812.50 km) |
| Dour to Shumen | 1,193.11 mi (1,920.12 km) |
| Dour to Silistra | 1,177.28 mi (1,894.65 km) |
| Dour to Sliven | 1,190.60 mi (1,916.09 km) |
| Dour to Smolyan | 1,168.40 mi (1,880.36 km) |
