| Detmold to Popovo | 998.01 mi (1,606.14 km) |
| Detmold to Provadia | 1,050.56 mi (1,690.71 km) |
| Detmold to Radnevo | 1,037.64 mi (1,669.93 km) |
| Detmold to Radomir | 922.23 mi (1,484.18 km) |
| Detmold to Rakitovo | 989.68 mi (1,592.73 km) |
| Detmold to Rakovski | 1,004.13 mi (1,615.99 km) |
| Detmold to Razgrad | 1,000.07 mi (1,609.46 km) |
| Detmold to Razlog | 974.51 mi (1,568.32 km) |
| Detmold to Ruse | 965.75 mi (1,554.22 km) |
| Detmold to Samokov | 953.50 mi (1,534.52 km) |
| Detmold to Sandanski | 985.44 mi (1,585.91 km) |
| Detmold to Sevlievo | 972.70 mi (1,565.41 km) |
| Detmold to Shumen | 1,027.17 mi (1,653.08 km) |
| Detmold to Silistra | 1,002.19 mi (1,612.87 km) |
| Detmold to Sliven | 1,033.32 mi (1,662.97 km) |
