| Federal Way to Karlovo | 5,905.48 mi (9,503.95 km) |
| Federal Way to Karnobat | 5,945.74 mi (9,568.74 km) |
| Federal Way to Kavarna | 5,916.93 mi (9,522.39 km) |
| Federal Way to Kazanlak | 5,918.24 mi (9,524.49 km) |
| Federal Way to Knezha | 5,836.95 mi (9,393.67 km) |
| Federal Way to Kostinbrod | 5,863.97 mi (9,437.14 km) |
| Federal Way to Kozloduy | 5,812.21 mi (9,353.85 km) |
| Federal Way to Kyustendil | 5,887.42 mi (9,474.88 km) |
| Federal Way to Levski | 5,865.07 mi (9,438.92 km) |
| Federal Way to Lom | 5,800.04 mi (9,334.27 km) |
| Federal Way to Lovech | 5,872.27 mi (9,450.50 km) |
| Federal Way to Lukovit | 5,857.73 mi (9,427.11 km) |
| Federal Way to Lyaskovets | 5,892.90 mi (9,483.71 km) |
| Federal Way to Mezdra | 5,852.04 mi (9,417.95 km) |
| Federal Way to Momchilgrad | 5,988.31 mi (9,637.25 km) |
