| Borgentreich to Karlovo | 953.30 mi (1,534.19 km) |
| Borgentreich to Karnobat | 1,033.12 mi (1,662.64 km) |
| Borgentreich to Kavarna | 1,048.43 mi (1,687.29 km) |
| Borgentreich to Kazanlak | 975.83 mi (1,570.45 km) |
| Borgentreich to Knezha | 885.65 mi (1,425.31 km) |
| Borgentreich to Kostinbrod | 889.17 mi (1,430.98 km) |
| Borgentreich to Kozloduy | 859.46 mi (1,383.17 km) |
| Borgentreich to Kyustendil | 899.08 mi (1,446.93 km) |
| Borgentreich to Levski | 930.15 mi (1,496.93 km) |
| Borgentreich to Lom | 839.68 mi (1,351.34 km) |
| Borgentreich to Lovech | 926.08 mi (1,490.39 km) |
| Borgentreich to Lukovit | 903.18 mi (1,453.53 km) |
| Borgentreich to Lyaskovets | 964.19 mi (1,551.71 km) |
| Borgentreich to Mezdra | 889.13 mi (1,430.92 km) |
| Borgentreich to Momchilgrad | 1,030.57 mi (1,658.54 km) |
