| Alum Rock to Karlovo | 6,523.73 mi (10,498.93 km) |
| Alum Rock to Karnobat | 6,571.48 mi (10,575.77 km) |
| Alum Rock to Kavarna | 6,548.56 mi (10,538.89 km) |
| Alum Rock to Kazanlak | 6,538.51 mi (10,522.72 km) |
| Alum Rock to Knezha | 6,454.50 mi (10,387.51 km) |
| Alum Rock to Kostinbrod | 6,476.92 mi (10,423.59 km) |
| Alum Rock to Kozloduy | 6,429.16 mi (10,346.73 km) |
| Alum Rock to Kyustendil | 6,497.17 mi (10,456.19 km) |
| Alum Rock to Levski | 6,485.97 mi (10,438.15 km) |
| Alum Rock to Lom | 6,415.35 mi (10,324.52 km) |
| Alum Rock to Lovech | 6,491.24 mi (10,446.64 km) |
| Alum Rock to Lukovit | 6,474.92 mi (10,420.38 km) |
| Alum Rock to Lyaskovets | 6,515.25 mi (10,485.28 km) |
| Alum Rock to Mezdra | 6,467.47 mi (10,408.39 km) |
| Alum Rock to Momchilgrad | 6,606.40 mi (10,631.97 km) |
