| Herborn to Karlovo | 956.08 mi (1,538.67 km) |
| Herborn to Karnobat | 1,041.38 mi (1,675.94 km) |
| Herborn to Kavarna | 1,062.72 mi (1,710.29 km) |
| Herborn to Kazanlak | 980.09 mi (1,577.30 km) |
| Herborn to Knezha | 889.95 mi (1,432.23 km) |
| Herborn to Kostinbrod | 888.10 mi (1,429.26 km) |
| Herborn to Kozloduy | 864.02 mi (1,390.50 km) |
| Herborn to Kyustendil | 894.27 mi (1,439.19 km) |
| Herborn to Levski | 936.71 mi (1,507.49 km) |
| Herborn to Lom | 843.00 mi (1,356.68 km) |
| Herborn to Lovech | 930.59 mi (1,497.64 km) |
| Herborn to Lukovit | 906.44 mi (1,458.78 km) |
| Herborn to Lyaskovets | 971.16 mi (1,562.93 km) |
| Herborn to Mezdra | 890.86 mi (1,433.70 km) |
| Herborn to Momchilgrad | 1,030.90 mi (1,659.08 km) |
