| Bad Sooden-Allendorf to Karlovo | 916.17 mi (1,474.44 km) |
| Bad Sooden-Allendorf to Karnobat | 995.97 mi (1,602.86 km) |
| Bad Sooden-Allendorf to Kavarna | 1,011.52 mi (1,627.88 km) |
| Bad Sooden-Allendorf to Kazanlak | 938.68 mi (1,510.65 km) |
| Bad Sooden-Allendorf to Knezha | 848.50 mi (1,365.52 km) |
| Bad Sooden-Allendorf to Kostinbrod | 852.20 mi (1,371.49 km) |
| Bad Sooden-Allendorf to Kozloduy | 822.31 mi (1,323.38 km) |
| Bad Sooden-Allendorf to Kyustendil | 862.36 mi (1,387.84 km) |
| Bad Sooden-Allendorf to Levski | 892.98 mi (1,437.12 km) |
| Bad Sooden-Allendorf to Lom | 802.55 mi (1,291.58 km) |
| Bad Sooden-Allendorf to Lovech | 888.93 mi (1,430.59 km) |
| Bad Sooden-Allendorf to Lukovit | 866.05 mi (1,393.77 km) |
| Bad Sooden-Allendorf to Lyaskovets | 927.02 mi (1,491.90 km) |
| Bad Sooden-Allendorf to Mezdra | 852.04 mi (1,371.23 km) |
| Bad Sooden-Allendorf to Momchilgrad | 993.52 mi (1,598.91 km) |
