| Highland Springs to Karlovo | 5,052.46 mi (8,131.15 km) |
| Highland Springs to Karnobat | 5,141.79 mi (8,274.91 km) |
| Highland Springs to Kavarna | 5,162.39 mi (8,308.06 km) |
| Highland Springs to Kazanlak | 5,077.91 mi (8,172.11 km) |
| Highland Springs to Knezha | 4,988.31 mi (8,027.90 km) |
| Highland Springs to Kostinbrod | 4,979.77 mi (8,014.16 km) |
| Highland Springs to Kozloduy | 4,962.73 mi (7,986.74 km) |
| Highland Springs to Kyustendil | 4,978.60 mi (8,012.29 km) |
| Highland Springs to Levski | 5,036.50 mi (8,105.47 km) |
| Highland Springs to Lom | 4,940.78 mi (7,951.41 km) |
| Highland Springs to Lovech | 5,028.91 mi (8,093.24 km) |
| Highland Springs to Lukovit | 5,003.72 mi (8,052.71 km) |
| Highland Springs to Lyaskovets | 5,071.09 mi (8,161.13 km) |
| Highland Springs to Mezdra | 4,986.52 mi (8,025.03 km) |
| Highland Springs to Momchilgrad | 5,122.99 mi (8,244.66 km) |
