| Bilston to Karlovo | 1,415.73 mi (2,278.39 km) |
| Bilston to Karnobat | 1,503.64 mi (2,419.87 km) |
| Bilston to Kavarna | 1,526.08 mi (2,455.98 km) |
| Bilston to Kazanlak | 1,440.57 mi (2,318.38 km) |
| Bilston to Knezha | 1,350.70 mi (2,173.74 km) |
| Bilston to Kostinbrod | 1,345.13 mi (2,164.78 km) |
| Bilston to Kozloduy | 1,324.98 mi (2,132.36 km) |
| Bilston to Kyustendil | 1,347.68 mi (2,168.89 km) |
| Bilston to Levski | 1,398.46 mi (2,250.60 km) |
| Bilston to Lom | 1,303.35 mi (2,097.55 km) |
| Bilston to Lovech | 1,391.34 mi (2,239.15 km) |
| Bilston to Lukovit | 1,366.55 mi (2,199.25 km) |
| Bilston to Lyaskovets | 1,433.02 mi (2,306.22 km) |
| Bilston to Mezdra | 1,350.03 mi (2,172.66 km) |
| Bilston to Momchilgrad | 1,488.45 mi (2,395.43 km) |
