| Hiddenhausen to Popovo | 1,015.69 mi (1,634.59 km) |
| Hiddenhausen to Provadia | 1,067.97 mi (1,718.74 km) |
| Hiddenhausen to Radnevo | 1,055.79 mi (1,699.13 km) |
| Hiddenhausen to Radomir | 941.00 mi (1,514.39 km) |
| Hiddenhausen to Rakitovo | 1,008.35 mi (1,622.78 km) |
| Hiddenhausen to Rakovski | 1,022.52 mi (1,645.58 km) |
| Hiddenhausen to Razgrad | 1,017.60 mi (1,637.66 km) |
| Hiddenhausen to Razlog | 993.33 mi (1,598.61 km) |
| Hiddenhausen to Ruse | 983.30 mi (1,582.47 km) |
| Hiddenhausen to Samokov | 972.20 mi (1,564.60 km) |
| Hiddenhausen to Sandanski | 1,004.36 mi (1,616.36 km) |
| Hiddenhausen to Sevlievo | 990.81 mi (1,594.55 km) |
| Hiddenhausen to Shumen | 1,044.69 mi (1,681.26 km) |
| Hiddenhausen to Silistra | 1,019.22 mi (1,640.28 km) |
| Hiddenhausen to Sliven | 1,051.24 mi (1,691.80 km) |
