| Attendorn to Popovo | 1,009.58 mi (1,624.76 km) |
| Attendorn to Provadia | 1,064.18 mi (1,712.63 km) |
| Attendorn to Radnevo | 1,044.77 mi (1,681.40 km) |
| Attendorn to Radomir | 922.34 mi (1,484.36 km) |
| Attendorn to Rakitovo | 990.98 mi (1,594.83 km) |
| Attendorn to Rakovski | 1,008.81 mi (1,623.52 km) |
| Attendorn to Razgrad | 1,012.96 mi (1,630.20 km) |
| Attendorn to Razlog | 973.76 mi (1,567.12 km) |
| Attendorn to Ruse | 978.46 mi (1,574.68 km) |
| Attendorn to Samokov | 954.58 mi (1,536.24 km) |
| Attendorn to Sandanski | 983.13 mi (1,582.19 km) |
| Attendorn to Sevlievo | 980.39 mi (1,577.78 km) |
| Attendorn to Shumen | 1,040.07 mi (1,673.83 km) |
| Attendorn to Silistra | 1,018.87 mi (1,639.71 km) |
| Attendorn to Sliven | 1,042.73 mi (1,678.11 km) |
