| Apex to Karlovo | 5,200.54 mi (8,369.46 km) |
| Apex to Karnobat | 5,290.47 mi (8,514.19 km) |
| Apex to Kavarna | 5,311.80 mi (8,548.51 km) |
| Apex to Kazanlak | 5,226.14 mi (8,410.67 km) |
| Apex to Knezha | 5,136.64 mi (8,266.63 km) |
| Apex to Kostinbrod | 5,127.48 mi (8,251.88 km) |
| Apex to Kozloduy | 5,111.12 mi (8,225.56 km) |
| Apex to Kyustendil | 5,125.84 mi (8,249.25 km) |
| Apex to Levski | 5,185.06 mi (8,344.54 km) |
| Apex to Lom | 5,089.06 mi (8,190.05 km) |
| Apex to Lovech | 5,177.22 mi (8,331.94 km) |
| Apex to Lukovit | 5,151.92 mi (8,291.21 km) |
| Apex to Lyaskovets | 5,219.66 mi (8,400.24 km) |
| Apex to Mezdra | 5,134.56 mi (8,263.28 km) |
| Apex to Momchilgrad | 5,270.63 mi (8,482.27 km) |
