| Alpen to Karlovo | 1,053.97 mi (1,696.20 km) |
| Alpen to Karnobat | 1,137.90 mi (1,831.27 km) |
| Alpen to Kavarna | 1,157.13 mi (1,862.22 km) |
| Alpen to Kazanlak | 1,077.66 mi (1,734.32 km) |
| Alpen to Knezha | 987.45 mi (1,589.15 km) |
| Alpen to Kostinbrod | 986.65 mi (1,587.86 km) |
| Alpen to Kozloduy | 961.44 mi (1,547.29 km) |
| Alpen to Kyustendil | 993.28 mi (1,598.53 km) |
| Alpen to Levski | 1,033.66 mi (1,663.52 km) |
| Alpen to Lom | 940.70 mi (1,513.91 km) |
| Alpen to Lovech | 1,028.07 mi (1,654.51 km) |
| Alpen to Lukovit | 1,004.19 mi (1,616.09 km) |
| Alpen to Lyaskovets | 1,068.02 mi (1,718.81 km) |
| Alpen to Mezdra | 988.92 mi (1,591.52 km) |
| Alpen to Momchilgrad | 1,129.29 mi (1,817.42 km) |
