| Heckmondwike to Karlovo | 1,426.86 mi (2,296.31 km) |
| Heckmondwike to Karnobat | 1,510.88 mi (2,431.52 km) |
| Heckmondwike to Kavarna | 1,528.67 mi (2,460.16 km) |
| Heckmondwike to Kazanlak | 1,450.69 mi (2,334.66 km) |
| Heckmondwike to Knezha | 1,360.50 mi (2,189.51 km) |
| Heckmondwike to Kostinbrod | 1,358.79 mi (2,186.76 km) |
| Heckmondwike to Kozloduy | 1,334.51 mi (2,147.68 km) |
| Heckmondwike to Kyustendil | 1,364.06 mi (2,195.25 km) |
| Heckmondwike to Levski | 1,406.74 mi (2,263.93 km) |
| Heckmondwike to Lom | 1,313.68 mi (2,114.17 km) |
| Heckmondwike to Lovech | 1,401.12 mi (2,254.89 km) |
| Heckmondwike to Lukovit | 1,377.16 mi (2,216.32 km) |
| Heckmondwike to Lyaskovets | 1,441.08 mi (2,319.20 km) |
| Heckmondwike to Mezdra | 1,361.68 mi (2,191.42 km) |
| Heckmondwike to Momchilgrad | 1,501.69 mi (2,416.74 km) |
