| Frickenhausen to Popovo | 885.04 mi (1,424.33 km) |
| Frickenhausen to Provadia | 943.15 mi (1,517.85 km) |
| Frickenhausen to Radnevo | 910.73 mi (1,465.68 km) |
| Frickenhausen to Radomir | 776.93 mi (1,250.34 km) |
| Frickenhausen to Rakitovo | 846.74 mi (1,362.70 km) |
| Frickenhausen to Rakovski | 870.55 mi (1,401.01 km) |
| Frickenhausen to Razgrad | 891.16 mi (1,434.18 km) |
| Frickenhausen to Razlog | 826.14 mi (1,329.54 km) |
| Frickenhausen to Ruse | 856.87 mi (1,379.00 km) |
| Frickenhausen to Samokov | 810.42 mi (1,304.24 km) |
| Frickenhausen to Sandanski | 832.71 mi (1,340.11 km) |
| Frickenhausen to Sevlievo | 848.38 mi (1,365.34 km) |
| Frickenhausen to Shumen | 917.86 mi (1,477.15 km) |
| Frickenhausen to Silistra | 905.27 mi (1,456.90 km) |
| Frickenhausen to Sliven | 913.23 mi (1,469.70 km) |
