| Bad Salzdetfurth to Devnya | 1,016.31 mi (1,635.59 km) |
| Bad Salzdetfurth to Dimitrovgrad | 1,004.74 mi (1,616.97 km) |
| Bad Salzdetfurth to Dobrich | 1,009.87 mi (1,625.23 km) |
| Bad Salzdetfurth to Dospat | 979.09 mi (1,575.70 km) |
| Bad Salzdetfurth to Dupnitsa | 912.52 mi (1,468.56 km) |
| Bad Salzdetfurth to Elhovo | 1,031.90 mi (1,660.69 km) |
| Bad Salzdetfurth to Etropole | 910.40 mi (1,465.15 km) |
| Bad Salzdetfurth to Gabrovo | 953.72 mi (1,534.86 km) |
| Bad Salzdetfurth to Gorna Oryahovitsa | 953.14 mi (1,533.93 km) |
| Bad Salzdetfurth to Gotse Delchev | 970.06 mi (1,561.16 km) |
| Bad Salzdetfurth to Harmanli | 1,020.96 mi (1,643.07 km) |
| Bad Salzdetfurth to Haskovo | 1,009.71 mi (1,624.96 km) |
| Bad Salzdetfurth to Ihtiman | 925.36 mi (1,489.22 km) |
| Bad Salzdetfurth to Isperih | 965.85 mi (1,554.38 km) |
| Bad Salzdetfurth to Kardzhali | 1,017.97 mi (1,638.26 km) |
