| Diez to Popovo | 984.20 mi (1,583.92 km) |
| Diez to Provadia | 1,040.01 mi (1,673.74 km) |
| Diez to Radnevo | 1,016.48 mi (1,635.87 km) |
| Diez to Radomir | 890.13 mi (1,432.52 km) |
| Diez to Rakitovo | 959.29 mi (1,543.83 km) |
| Diez to Rakovski | 979.10 mi (1,575.71 km) |
| Diez to Razgrad | 988.44 mi (1,590.74 km) |
| Diez to Razlog | 940.93 mi (1,514.27 km) |
| Diez to Ruse | 953.92 mi (1,535.19 km) |
| Diez to Samokov | 922.84 mi (1,485.17 km) |
| Diez to Sandanski | 949.37 mi (1,527.87 km) |
| Diez to Sevlievo | 952.61 mi (1,533.07 km) |
| Diez to Shumen | 1,015.49 mi (1,634.27 km) |
| Diez to Silistra | 996.88 mi (1,604.32 km) |
| Diez to Sliven | 1,015.88 mi (1,634.89 km) |
