| Dordrecht to Popovo | 1,155.50 mi (1,859.59 km) |
| Dordrecht to Provadia | 1,210.36 mi (1,947.88 km) |
| Dordrecht to Radnevo | 1,189.71 mi (1,914.65 km) |
| Dordrecht to Radomir | 1,064.92 mi (1,713.82 km) |
| Dordrecht to Rakitovo | 1,133.95 mi (1,824.92 km) |
| Dordrecht to Rakovski | 1,153.03 mi (1,855.62 km) |
| Dordrecht to Razgrad | 1,159.07 mi (1,865.34 km) |
| Dordrecht to Razlog | 1,115.86 mi (1,795.81 km) |
| Dordrecht to Ruse | 1,124.56 mi (1,809.80 km) |
| Dordrecht to Samokov | 1,097.51 mi (1,766.27 km) |
| Dordrecht to Sandanski | 1,124.44 mi (1,809.62 km) |
| Dordrecht to Sevlievo | 1,125.52 mi (1,811.35 km) |
| Dordrecht to Shumen | 1,186.17 mi (1,908.96 km) |
| Dordrecht to Silistra | 1,165.26 mi (1,875.31 km) |
| Dordrecht to Sliven | 1,188.22 mi (1,912.26 km) |
