| Willenhall to Karlovo | 1,415.53 mi (2,278.08 km) |
| Willenhall to Karnobat | 1,503.40 mi (2,419.48 km) |
| Willenhall to Kavarna | 1,525.77 mi (2,455.50 km) |
| Willenhall to Kazanlak | 1,440.37 mi (2,318.05 km) |
| Willenhall to Knezha | 1,350.49 mi (2,173.40 km) |
| Willenhall to Kostinbrod | 1,344.97 mi (2,164.52 km) |
| Willenhall to Kozloduy | 1,324.77 mi (2,132.01 km) |
| Willenhall to Kyustendil | 1,347.56 mi (2,168.69 km) |
| Willenhall to Levski | 1,398.23 mi (2,250.23 km) |
| Willenhall to Lom | 1,303.15 mi (2,097.22 km) |
| Willenhall to Lovech | 1,391.13 mi (2,238.81 km) |
| Willenhall to Lukovit | 1,366.35 mi (2,198.92 km) |
| Willenhall to Lyaskovets | 1,432.78 mi (2,305.84 km) |
| Willenhall to Mezdra | 1,349.84 mi (2,172.36 km) |
| Willenhall to Momchilgrad | 1,488.29 mi (2,395.17 km) |
