| Fort Walton Beach to Karlovo | 5,776.77 mi (9,296.81 km) |
| Fort Walton Beach to Karnobat | 5,865.74 mi (9,439.99 km) |
| Fort Walton Beach to Kavarna | 5,885.57 mi (9,471.90 km) |
| Fort Walton Beach to Kazanlak | 5,802.15 mi (9,337.65 km) |
| Fort Walton Beach to Knezha | 5,712.49 mi (9,193.37 km) |
| Fort Walton Beach to Kostinbrod | 5,704.18 mi (9,179.99 km) |
| Fort Walton Beach to Kozloduy | 5,686.88 mi (9,152.15 km) |
| Fort Walton Beach to Kyustendil | 5,703.06 mi (9,178.19 km) |
| Fort Walton Beach to Levski | 5,760.56 mi (9,270.72 km) |
| Fort Walton Beach to Lom | 5,664.99 mi (9,116.92 km) |
| Fort Walton Beach to Lovech | 5,753.10 mi (9,258.72 km) |
| Fort Walton Beach to Lukovit | 5,727.97 mi (9,218.28 km) |
| Fort Walton Beach to Lyaskovets | 5,795.13 mi (9,326.35 km) |
| Fort Walton Beach to Mezdra | 5,710.84 mi (9,190.71 km) |
| Fort Walton Beach to Momchilgrad | 5,847.42 mi (9,410.51 km) |
