| Ludlow to Karlovo | 1,437.51 mi (2,313.45 km) |
| Ludlow to Karnobat | 1,526.38 mi (2,456.47 km) |
| Ludlow to Kavarna | 1,549.93 mi (2,494.37 km) |
| Ludlow to Kazanlak | 1,462.61 mi (2,353.84 km) |
| Ludlow to Knezha | 1,372.87 mi (2,209.42 km) |
| Ludlow to Kostinbrod | 1,366.28 mi (2,198.81 km) |
| Ludlow to Kozloduy | 1,347.24 mi (2,168.17 km) |
| Ludlow to Kyustendil | 1,368.06 mi (2,201.69 km) |
| Ludlow to Levski | 1,420.99 mi (2,286.86 km) |
| Ludlow to Lom | 1,325.42 mi (2,133.05 km) |
| Ludlow to Lovech | 1,413.49 mi (2,274.79 km) |
| Ludlow to Lukovit | 1,388.50 mi (2,234.57 km) |
| Ludlow to Lyaskovets | 1,455.58 mi (2,342.53 km) |
| Ludlow to Mezdra | 1,371.71 mi (2,207.55 km) |
| Ludlow to Momchilgrad | 1,509.63 mi (2,429.51 km) |
