| Hamm to Popovo | 1,029.88 mi (1,657.42 km) |
| Hamm to Provadia | 1,083.52 mi (1,743.76 km) |
| Hamm to Radnevo | 1,067.15 mi (1,717.42 km) |
| Hamm to Radomir | 947.70 mi (1,525.17 km) |
| Hamm to Rakitovo | 1,015.89 mi (1,634.91 km) |
| Hamm to Rakovski | 1,032.26 mi (1,661.27 km) |
| Hamm to Razgrad | 1,032.63 mi (1,661.86 km) |
| Hamm to Razlog | 999.52 mi (1,608.57 km) |
| Hamm to Ruse | 998.19 mi (1,606.43 km) |
| Hamm to Samokov | 979.55 mi (1,576.44 km) |
| Hamm to Sandanski | 1,009.53 mi (1,624.68 km) |
| Hamm to Sevlievo | 1,002.47 mi (1,613.33 km) |
| Hamm to Shumen | 1,059.75 mi (1,705.51 km) |
| Hamm to Silistra | 1,036.68 mi (1,668.37 km) |
| Hamm to Sliven | 1,064.06 mi (1,712.44 km) |
