| Dillenburg to Popovo | 983.37 mi (1,582.57 km) |
| Dillenburg to Provadia | 1,038.45 mi (1,671.22 km) |
| Dillenburg to Radnevo | 1,017.50 mi (1,637.51 km) |
| Dillenburg to Radomir | 893.73 mi (1,438.32 km) |
| Dillenburg to Rakitovo | 962.55 mi (1,549.07 km) |
| Dillenburg to Rakovski | 981.04 mi (1,578.82 km) |
| Dillenburg to Razgrad | 987.08 mi (1,588.55 km) |
| Dillenburg to Razlog | 944.97 mi (1,520.78 km) |
| Dillenburg to Ruse | 952.56 mi (1,533.00 km) |
| Dillenburg to Samokov | 926.12 mi (1,490.45 km) |
| Dillenburg to Sandanski | 954.06 mi (1,535.41 km) |
| Dillenburg to Sevlievo | 953.28 mi (1,534.16 km) |
| Dillenburg to Shumen | 1,014.17 mi (1,632.15 km) |
| Dillenburg to Silistra | 993.99 mi (1,599.67 km) |
| Dillenburg to Sliven | 1,015.97 mi (1,635.05 km) |
