| Bad Frankenhausen to Devnya | 951.34 mi (1,531.03 km) |
| Bad Frankenhausen to Dimitrovgrad | 937.81 mi (1,509.26 km) |
| Bad Frankenhausen to Dobrich | 945.46 mi (1,521.57 km) |
| Bad Frankenhausen to Dospat | 911.56 mi (1,467.01 km) |
| Bad Frankenhausen to Dupnitsa | 844.90 mi (1,359.74 km) |
| Bad Frankenhausen to Elhovo | 965.49 mi (1,553.80 km) |
| Bad Frankenhausen to Etropole | 843.21 mi (1,357.01 km) |
| Bad Frankenhausen to Gabrovo | 887.14 mi (1,427.71 km) |
| Bad Frankenhausen to Gorna Oryahovitsa | 886.94 mi (1,427.39 km) |
| Bad Frankenhausen to Gotse Delchev | 902.42 mi (1,452.30 km) |
| Bad Frankenhausen to Harmanli | 954.10 mi (1,535.47 km) |
| Bad Frankenhausen to Haskovo | 942.71 mi (1,517.14 km) |
| Bad Frankenhausen to Ihtiman | 857.95 mi (1,380.74 km) |
| Bad Frankenhausen to Isperih | 900.90 mi (1,449.86 km) |
| Bad Frankenhausen to Kardzhali | 950.77 mi (1,530.12 km) |
