| West Palm Beach to Karlovo | 5,680.17 mi (9,141.34 km) |
| West Palm Beach to Karnobat | 5,776.19 mi (9,295.87 km) |
| West Palm Beach to Kavarna | 5,805.86 mi (9,343.62 km) |
| West Palm Beach to Kazanlak | 5,707.28 mi (9,184.98 km) |
| West Palm Beach to Knezha | 5,619.43 mi (9,043.60 km) |
| West Palm Beach to Kostinbrod | 5,603.73 mi (9,018.34 km) |
| West Palm Beach to Kozloduy | 5,594.67 mi (9,003.75 km) |
| West Palm Beach to Kyustendil | 5,597.30 mi (9,007.98 km) |
| West Palm Beach to Levski | 5,669.90 mi (9,124.83 km) |
| West Palm Beach to Lom | 5,571.54 mi (8,966.53 km) |
| West Palm Beach to Lovech | 5,659.55 mi (9,108.16 km) |
| West Palm Beach to Lukovit | 5,633.12 mi (9,065.63 km) |
| West Palm Beach to Lyaskovets | 5,704.54 mi (9,180.58 km) |
| West Palm Beach to Mezdra | 5,614.18 mi (9,035.16 km) |
| West Palm Beach to Momchilgrad | 5,745.32 mi (9,246.19 km) |
