| Apt to Karlovo | 978.14 mi (1,574.17 km) |
| Apt to Karnobat | 1,086.57 mi (1,748.67 km) |
| Apt to Kavarna | 1,143.34 mi (1,840.02 km) |
| Apt to Kazanlak | 1,008.03 mi (1,622.26 km) |
| Apt to Knezha | 932.01 mi (1,499.92 km) |
| Apt to Kostinbrod | 896.63 mi (1,442.99 km) |
| Apt to Kozloduy | 912.13 mi (1,467.93 km) |
| Apt to Kyustendil | 877.68 mi (1,412.48 km) |
| Apt to Levski | 985.47 mi (1,585.97 km) |
| Apt to Lom | 887.23 mi (1,427.86 km) |
| Apt to Lovech | 967.39 mi (1,556.86 km) |
| Apt to Lukovit | 939.28 mi (1,511.63 km) |
| Apt to Lyaskovets | 1,017.47 mi (1,637.45 km) |
| Apt to Mezdra | 916.64 mi (1,475.20 km) |
| Apt to Momchilgrad | 1,026.70 mi (1,652.32 km) |
