| Clay Cross to Karlovo | 1,403.45 mi (2,258.64 km) |
| Clay Cross to Karnobat | 1,489.06 mi (2,396.41 km) |
| Clay Cross to Kavarna | 1,508.78 mi (2,428.14 km) |
| Clay Cross to Kazanlak | 1,427.70 mi (2,297.66 km) |
| Clay Cross to Knezha | 1,337.59 mi (2,152.65 km) |
| Clay Cross to Kostinbrod | 1,334.37 mi (2,147.47 km) |
| Clay Cross to Kozloduy | 1,311.70 mi (2,110.98 km) |
| Clay Cross to Kyustendil | 1,338.61 mi (2,154.29 km) |
| Clay Cross to Levski | 1,384.46 mi (2,228.08 km) |
| Clay Cross to Lom | 1,290.55 mi (2,076.93 km) |
| Clay Cross to Lovech | 1,378.24 mi (2,218.07 km) |
| Clay Cross to Lukovit | 1,353.94 mi (2,178.95 km) |
| Clay Cross to Lyaskovets | 1,418.91 mi (2,283.51 km) |
| Clay Cross to Mezdra | 1,338.05 mi (2,153.38 km) |
| Clay Cross to Momchilgrad | 1,477.49 mi (2,377.79 km) |
