| Federal Heights to Karlovo | 5,930.55 mi (9,544.30 km) |
| Federal Heights to Karnobat | 5,995.42 mi (9,648.70 km) |
| Federal Heights to Kavarna | 5,988.36 mi (9,637.34 km) |
| Federal Heights to Kazanlak | 5,949.78 mi (9,575.25 km) |
| Federal Heights to Knezha | 5,861.25 mi (9,432.77 km) |
| Federal Heights to Kostinbrod | 5,872.68 mi (9,451.17 km) |
| Federal Heights to Kozloduy | 5,835.09 mi (9,390.67 km) |
| Federal Heights to Kyustendil | 5,885.47 mi (9,471.75 km) |
| Federal Heights to Levski | 5,899.92 mi (9,495.01 km) |
| Federal Heights to Lom | 5,817.84 mi (9,362.91 km) |
| Federal Heights to Lovech | 5,900.50 mi (9,495.94 km) |
| Federal Heights to Lukovit | 5,880.37 mi (9,463.55 km) |
| Federal Heights to Lyaskovets | 5,932.06 mi (9,546.73 km) |
| Federal Heights to Mezdra | 5,869.05 mi (9,445.32 km) |
| Federal Heights to Momchilgrad | 6,010.98 mi (9,673.73 km) |
