| The Hills to Karlovo | 4,803.10 mi (7,729.84 km) |
| The Hills to Karnobat | 4,891.24 mi (7,871.69 km) |
| The Hills to Kavarna | 4,910.42 mi (7,902.56 km) |
| The Hills to Kazanlak | 4,828.25 mi (7,770.31 km) |
| The Hills to Knezha | 4,738.46 mi (7,625.82 km) |
| The Hills to Kostinbrod | 4,731.13 mi (7,614.01 km) |
| The Hills to Kozloduy | 4,712.78 mi (7,584.49 km) |
| The Hills to Kyustendil | 4,730.87 mi (7,613.60 km) |
| The Hills to Levski | 4,786.23 mi (7,702.70 km) |
| The Hills to Lom | 4,691.05 mi (7,549.51 km) |
| The Hills to Lovech | 4,779.09 mi (7,691.21 km) |
| The Hills to Lukovit | 4,754.14 mi (7,651.04 km) |
| The Hills to Lyaskovets | 4,820.77 mi (7,758.28 km) |
| The Hills to Mezdra | 4,737.25 mi (7,623.87 km) |
| The Hills to Momchilgrad | 4,874.44 mi (7,844.65 km) |
