| Bad Harzburg to Devnya | 989.56 mi (1,592.55 km) |
| Bad Harzburg to Dimitrovgrad | 978.33 mi (1,574.48 km) |
| Bad Harzburg to Dobrich | 983.11 mi (1,582.16 km) |
| Bad Harzburg to Dospat | 953.10 mi (1,533.86 km) |
| Bad Harzburg to Dupnitsa | 886.65 mi (1,426.92 km) |
| Bad Harzburg to Elhovo | 1,005.34 mi (1,617.93 km) |
| Bad Harzburg to Etropole | 884.13 mi (1,422.87 km) |
| Bad Harzburg to Gabrovo | 927.20 mi (1,492.18 km) |
| Bad Harzburg to Gorna Oryahovitsa | 926.53 mi (1,491.11 km) |
| Bad Harzburg to Gotse Delchev | 944.21 mi (1,519.56 km) |
| Bad Harzburg to Harmanli | 994.52 mi (1,600.53 km) |
| Bad Harzburg to Haskovo | 983.33 mi (1,582.51 km) |
| Bad Harzburg to Ihtiman | 899.24 mi (1,447.18 km) |
| Bad Harzburg to Isperih | 939.10 mi (1,511.34 km) |
| Bad Harzburg to Kardzhali | 991.69 mi (1,595.97 km) |
