| Leighton Buzzard to Karlovo | 1,344.97 mi (2,164.52 km) |
| Leighton Buzzard to Karnobat | 1,434.10 mi (2,307.96 km) |
| Leighton Buzzard to Kavarna | 1,458.25 mi (2,346.83 km) |
| Leighton Buzzard to Kazanlak | 1,370.12 mi (2,204.99 km) |
| Leighton Buzzard to Knezha | 1,280.41 mi (2,060.63 km) |
| Leighton Buzzard to Kostinbrod | 1,273.68 mi (2,049.78 km) |
| Leighton Buzzard to Kozloduy | 1,254.81 mi (2,019.42 km) |
| Leighton Buzzard to Kyustendil | 1,275.50 mi (2,052.72 km) |
| Leighton Buzzard to Levski | 1,328.63 mi (2,138.23 km) |
| Leighton Buzzard to Lom | 1,232.93 mi (1,984.22 km) |
| Leighton Buzzard to Lovech | 1,321.03 mi (2,125.99 km) |
| Leighton Buzzard to Lukovit | 1,295.99 mi (2,085.69 km) |
| Leighton Buzzard to Lyaskovets | 1,363.24 mi (2,193.92 km) |
| Leighton Buzzard to Mezdra | 1,279.15 mi (2,058.60 km) |
| Leighton Buzzard to Momchilgrad | 1,417.03 mi (2,280.49 km) |
