| Leek to Karlovo | 1,425.90 mi (2,294.77 km) |
| Leek to Karnobat | 1,512.08 mi (2,433.46 km) |
| Leek to Kavarna | 1,532.41 mi (2,466.17 km) |
| Leek to Kazanlak | 1,450.30 mi (2,334.03 km) |
| Leek to Knezha | 1,360.24 mi (2,189.10 km) |
| Leek to Kostinbrod | 1,356.42 mi (2,182.94 km) |
| Leek to Kozloduy | 1,334.39 mi (2,147.50 km) |
| Leek to Kyustendil | 1,360.19 mi (2,189.02 km) |
| Leek to Levski | 1,407.34 mi (2,264.89 km) |
| Leek to Lom | 1,313.12 mi (2,113.26 km) |
| Leek to Lovech | 1,400.89 mi (2,254.52 km) |
| Leek to Lukovit | 1,376.47 mi (2,215.21 km) |
| Leek to Lyaskovets | 1,441.81 mi (2,320.37 km) |
| Leek to Mezdra | 1,360.41 mi (2,189.37 km) |
| Leek to Momchilgrad | 1,499.61 mi (2,413.38 km) |
