| Doorn to Popovo | 1,135.42 mi (1,827.29 km) |
| Doorn to Provadia | 1,189.65 mi (1,914.55 km) |
| Doorn to Radnevo | 1,171.16 mi (1,884.80 km) |
| Doorn to Radomir | 1,048.67 mi (1,687.67 km) |
| Doorn to Rakitovo | 1,117.38 mi (1,798.25 km) |
| Doorn to Rakovski | 1,135.29 mi (1,827.07 km) |
| Doorn to Razgrad | 1,138.56 mi (1,832.34 km) |
| Doorn to Razlog | 1,100.00 mi (1,770.28 km) |
| Doorn to Ruse | 1,104.08 mi (1,776.85 km) |
| Doorn to Samokov | 1,080.97 mi (1,739.65 km) |
| Doorn to Sandanski | 1,109.16 mi (1,785.03 km) |
| Doorn to Sevlievo | 1,106.72 mi (1,781.09 km) |
| Doorn to Shumen | 1,165.68 mi (1,875.99 km) |
| Doorn to Silistra | 1,143.54 mi (1,840.35 km) |
| Doorn to Sliven | 1,168.90 mi (1,881.16 km) |
