| Friedrichsdorf to Devnya | 1,015.63 mi (1,634.50 km) |
| Friedrichsdorf to Dimitrovgrad | 986.47 mi (1,587.57 km) |
| Friedrichsdorf to Dobrich | 1,012.95 mi (1,630.19 km) |
| Friedrichsdorf to Dospat | 950.63 mi (1,529.89 km) |
| Friedrichsdorf to Dupnitsa | 882.35 mi (1,420.01 km) |
| Friedrichsdorf to Elhovo | 1,019.17 mi (1,640.19 km) |
| Friedrichsdorf to Etropole | 889.33 mi (1,431.23 km) |
| Friedrichsdorf to Gabrovo | 939.92 mi (1,512.65 km) |
| Friedrichsdorf to Gorna Oryahovitsa | 943.17 mi (1,517.89 km) |
| Friedrichsdorf to Gotse Delchev | 938.67 mi (1,510.64 km) |
| Friedrichsdorf to Harmanli | 1,003.40 mi (1,614.81 km) |
| Friedrichsdorf to Haskovo | 990.48 mi (1,594.02 km) |
| Friedrichsdorf to Ihtiman | 900.37 mi (1,449.00 km) |
| Friedrichsdorf to Isperih | 965.72 mi (1,554.18 km) |
| Friedrichsdorf to Kardzhali | 995.84 mi (1,602.65 km) |
