| Hercules to Karlovo | 6,493.00 mi (10,449.47 km) |
| Hercules to Karnobat | 6,539.76 mi (10,524.72 km) |
| Hercules to Kavarna | 6,516.02 mi (10,486.52 km) |
| Hercules to Kazanlak | 6,507.52 mi (10,472.84 km) |
| Hercules to Knezha | 6,423.84 mi (10,338.16 km) |
| Hercules to Kostinbrod | 6,446.86 mi (10,375.21 km) |
| Hercules to Kozloduy | 6,398.56 mi (10,297.49 km) |
| Hercules to Kyustendil | 6,467.53 mi (10,408.48 km) |
| Hercules to Levski | 6,454.87 mi (10,388.11 km) |
| Hercules to Lom | 6,384.97 mi (10,275.61 km) |
| Hercules to Lovech | 6,460.40 mi (10,397.01 km) |
| Hercules to Lukovit | 6,444.31 mi (10,371.12 km) |
| Hercules to Lyaskovets | 6,483.97 mi (10,434.94 km) |
| Hercules to Mezdra | 6,437.09 mi (10,359.49 km) |
| Hercules to Momchilgrad | 6,575.71 mi (10,582.59 km) |
