| Heum to Karlovo | 1,298.50 mi (2,089.73 km) |
| Heum to Karnobat | 1,346.29 mi (2,166.65 km) |
| Heum to Kavarna | 1,329.30 mi (2,139.29 km) |
| Heum to Kazanlak | 1,312.56 mi (2,112.37 km) |
| Heum to Knezha | 1,229.60 mi (1,978.85 km) |
| Heum to Kostinbrod | 1,256.06 mi (2,021.43 km) |
| Heum to Kozloduy | 1,204.61 mi (1,938.64 km) |
| Heum to Kyustendil | 1,280.56 mi (2,060.86 km) |
| Heum to Levski | 1,259.89 mi (2,027.59 km) |
| Heum to Lom | 1,192.08 mi (1,918.46 km) |
| Heum to Lovech | 1,265.67 mi (2,036.89 km) |
| Heum to Lukovit | 1,250.25 mi (2,012.09 km) |
| Heum to Lyaskovets | 1,289.13 mi (2,074.65 km) |
| Heum to Mezdra | 1,244.11 mi (2,002.20 km) |
| Heum to Momchilgrad | 1,381.31 mi (2,223.00 km) |
