| Buckhurst Hill to Karlovo | 1,310.46 mi (2,108.97 km) |
| Buckhurst Hill to Karnobat | 1,400.07 mi (2,253.20 km) |
| Buckhurst Hill to Kavarna | 1,424.94 mi (2,293.22 km) |
| Buckhurst Hill to Kazanlak | 1,335.73 mi (2,149.64 km) |
| Buckhurst Hill to Knezha | 1,246.10 mi (2,005.40 km) |
| Buckhurst Hill to Kostinbrod | 1,238.89 mi (1,993.81 km) |
| Buckhurst Hill to Kozloduy | 1,220.54 mi (1,964.27 km) |
| Buckhurst Hill to Kyustendil | 1,240.44 mi (1,996.30 km) |
| Buckhurst Hill to Levski | 1,294.50 mi (2,083.30 km) |
| Buckhurst Hill to Lom | 1,198.57 mi (1,928.91 km) |
| Buckhurst Hill to Lovech | 1,286.70 mi (2,070.74 km) |
| Buckhurst Hill to Lukovit | 1,261.56 mi (2,030.29 km) |
| Buckhurst Hill to Lyaskovets | 1,329.13 mi (2,139.02 km) |
| Buckhurst Hill to Mezdra | 1,244.60 mi (2,002.99 km) |
| Buckhurst Hill to Momchilgrad | 1,382.25 mi (2,224.52 km) |
