| Horn Lake to Karlovo | 5,683.73 mi (9,147.09 km) |
| Horn Lake to Karnobat | 5,766.36 mi (9,280.07 km) |
| Horn Lake to Kavarna | 5,778.39 mi (9,299.42 km) |
| Horn Lake to Kazanlak | 5,707.52 mi (9,185.37 km) |
| Horn Lake to Knezha | 5,617.30 mi (9,040.18 km) |
| Horn Lake to Kostinbrod | 5,614.87 mi (9,036.25 km) |
| Horn Lake to Kozloduy | 5,591.27 mi (8,998.28 km) |
| Horn Lake to Kyustendil | 5,617.95 mi (9,041.22 km) |
| Horn Lake to Levski | 5,663.03 mi (9,113.77 km) |
| Horn Lake to Lom | 5,570.56 mi (8,964.94 km) |
| Horn Lake to Lovech | 5,657.91 mi (9,105.53 km) |
| Horn Lake to Lukovit | 5,634.04 mi (9,067.11 km) |
| Horn Lake to Lyaskovets | 5,697.22 mi (9,168.79 km) |
| Horn Lake to Mezdra | 5,618.48 mi (9,042.08 km) |
| Horn Lake to Momchilgrad | 5,758.04 mi (9,266.66 km) |
