| Delbruck to Popovo | 1,004.09 mi (1,615.93 km) |
| Delbruck to Provadia | 1,057.16 mi (1,701.33 km) |
| Delbruck to Radnevo | 1,042.66 mi (1,678.00 km) |
| Delbruck to Radomir | 925.45 mi (1,489.37 km) |
| Delbruck to Rakitovo | 993.23 mi (1,598.45 km) |
| Delbruck to Rakovski | 1,008.53 mi (1,623.07 km) |
| Delbruck to Razgrad | 1,006.47 mi (1,619.76 km) |
| Delbruck to Razlog | 977.54 mi (1,573.20 km) |
| Delbruck to Ruse | 972.09 mi (1,564.43 km) |
| Delbruck to Samokov | 956.98 mi (1,540.11 km) |
| Delbruck to Sandanski | 988.09 mi (1,590.17 km) |
| Delbruck to Sevlievo | 977.82 mi (1,573.65 km) |
| Delbruck to Shumen | 1,033.59 mi (1,663.40 km) |
| Delbruck to Silistra | 1,009.50 mi (1,624.64 km) |
| Delbruck to Sliven | 1,038.89 mi (1,671.94 km) |
