| Highgate to Karlovo | 1,316.51 mi (2,118.72 km) |
| Highgate to Karnobat | 1,406.43 mi (2,263.44 km) |
| Highgate to Kavarna | 1,431.66 mi (2,304.04 km) |
| Highgate to Kazanlak | 1,341.86 mi (2,159.52 km) |
| Highgate to Knezha | 1,252.29 mi (2,015.36 km) |
| Highgate to Kostinbrod | 1,244.75 mi (2,003.23 km) |
| Highgate to Kozloduy | 1,226.76 mi (1,974.28 km) |
| Highgate to Kyustendil | 1,246.05 mi (2,005.32 km) |
| Highgate to Levski | 1,300.81 mi (2,093.44 km) |
| Highgate to Lom | 1,204.73 mi (1,938.82 km) |
| Highgate to Lovech | 1,292.87 mi (2,080.68 km) |
| Highgate to Lukovit | 1,267.68 mi (2,040.13 km) |
| Highgate to Lyaskovets | 1,335.44 mi (2,149.18 km) |
| Highgate to Mezdra | 1,250.63 mi (2,012.70 km) |
| Highgate to Momchilgrad | 1,388.10 mi (2,233.93 km) |
