| Dudley to Popovo | 1,443.31 mi (2,322.78 km) |
| Dudley to Provadia | 1,498.99 mi (2,412.40 km) |
| Dudley to Radnevo | 1,474.92 mi (2,373.65 km) |
| Dudley to Radomir | 1,345.49 mi (2,165.36 km) |
| Dudley to Rakitovo | 1,415.09 mi (2,277.37 km) |
| Dudley to Rakovski | 1,436.70 mi (2,312.15 km) |
| Dudley to Razgrad | 1,447.47 mi (2,329.48 km) |
| Dudley to Razlog | 1,395.34 mi (2,245.58 km) |
| Dudley to Ruse | 1,412.95 mi (2,273.93 km) |
| Dudley to Samokov | 1,378.68 mi (2,218.76 km) |
| Dudley to Sandanski | 1,402.40 mi (2,256.94 km) |
| Dudley to Sevlievo | 1,411.30 mi (2,271.27 km) |
| Dudley to Shumen | 1,474.53 mi (2,373.03 km) |
| Dudley to Silistra | 1,455.05 mi (2,341.67 km) |
| Dudley to Sliven | 1,474.82 mi (2,373.50 km) |
