| Halberstadt to Karlovo | 905.37 mi (1,457.05 km) |
| Halberstadt to Karnobat | 980.04 mi (1,577.23 km) |
| Halberstadt to Kavarna | 990.35 mi (1,593.82 km) |
| Halberstadt to Kazanlak | 926.47 mi (1,491.01 km) |
| Halberstadt to Knezha | 836.73 mi (1,346.59 km) |
| Halberstadt to Kostinbrod | 845.13 mi (1,360.11 km) |
| Halberstadt to Kozloduy | 810.47 mi (1,304.33 km) |
| Halberstadt to Kyustendil | 858.53 mi (1,381.67 km) |
| Halberstadt to Levski | 879.00 mi (1,414.61 km) |
| Halberstadt to Lom | 791.93 mi (1,274.49 km) |
| Halberstadt to Lovech | 876.76 mi (1,411.01 km) |
| Halberstadt to Lukovit | 855.09 mi (1,376.13 km) |
| Halberstadt to Lyaskovets | 912.52 mi (1,468.55 km) |
| Halberstadt to Mezdra | 842.51 mi (1,355.89 km) |
| Halberstadt to Momchilgrad | 984.48 mi (1,584.37 km) |
