| Spelle to Popovo | 1,064.90 mi (1,713.79 km) |
| Spelle to Provadia | 1,117.51 mi (1,798.46 km) |
| Spelle to Radnevo | 1,104.22 mi (1,777.07 km) |
| Spelle to Radomir | 987.75 mi (1,589.63 km) |
| Spelle to Rakitovo | 1,055.45 mi (1,698.58 km) |
| Spelle to Rakovski | 1,070.42 mi (1,722.67 km) |
| Spelle to Razgrad | 1,067.01 mi (1,717.19 km) |
| Spelle to Razlog | 1,039.89 mi (1,673.54 km) |
| Spelle to Ruse | 1,032.68 mi (1,661.93 km) |
| Spelle to Samokov | 1,019.22 mi (1,640.27 km) |
| Spelle to Sandanski | 1,050.50 mi (1,690.62 km) |
| Spelle to Sevlievo | 1,039.32 mi (1,672.62 km) |
| Spelle to Shumen | 1,094.12 mi (1,760.81 km) |
| Spelle to Silistra | 1,069.13 mi (1,720.60 km) |
| Spelle to Sliven | 1,100.10 mi (1,770.43 km) |
