| Horsholm to Karlovo | 1,066.01 mi (1,715.58 km) |
| Horsholm to Karnobat | 1,119.35 mi (1,801.41 km) |
| Horsholm to Kavarna | 1,108.42 mi (1,783.84 km) |
| Horsholm to Kazanlak | 1,081.43 mi (1,740.39 km) |
| Horsholm to Knezha | 996.73 mi (1,604.08 km) |
| Horsholm to Kostinbrod | 1,020.55 mi (1,642.42 km) |
| Horsholm to Kozloduy | 971.37 mi (1,563.26 km) |
| Horsholm to Kyustendil | 1,043.71 mi (1,679.68 km) |
| Horsholm to Levski | 1,029.36 mi (1,656.59 km) |
| Horsholm to Lom | 957.80 mi (1,541.43 km) |
| Horsholm to Lovech | 1,033.72 mi (1,663.60 km) |
| Horsholm to Lukovit | 1,017.13 mi (1,636.91 km) |
| Horsholm to Lyaskovets | 1,059.63 mi (1,705.31 km) |
| Horsholm to Mezdra | 1,009.92 mi (1,625.30 km) |
| Horsholm to Momchilgrad | 1,148.63 mi (1,848.54 km) |
