| Korbach to Karlovo | 956.36 mi (1,539.11 km) |
| Korbach to Karnobat | 1,038.12 mi (1,670.69 km) |
| Korbach to Kavarna | 1,055.51 mi (1,698.68 km) |
| Korbach to Kazanlak | 979.41 mi (1,576.22 km) |
| Korbach to Knezha | 889.18 mi (1,431.00 km) |
| Korbach to Kostinbrod | 890.84 mi (1,433.67 km) |
| Korbach to Kozloduy | 863.06 mi (1,388.96 km) |
| Korbach to Kyustendil | 899.46 mi (1,447.54 km) |
| Korbach to Levski | 934.50 mi (1,503.93 km) |
| Korbach to Lom | 842.84 mi (1,356.41 km) |
| Korbach to Lovech | 929.72 mi (1,496.24 km) |
| Korbach to Lukovit | 906.37 mi (1,458.66 km) |
| Korbach to Lyaskovets | 968.70 mi (1,558.97 km) |
| Korbach to Mezdra | 891.78 mi (1,435.17 km) |
| Korbach to Momchilgrad | 1,032.83 mi (1,662.18 km) |
