| Perth Amboy to Karlovo | 4,794.83 mi (7,716.53 km) |
| Perth Amboy to Karnobat | 4,883.31 mi (7,858.92 km) |
| Perth Amboy to Kavarna | 4,902.93 mi (7,890.50 km) |
| Perth Amboy to Kazanlak | 4,820.06 mi (7,757.14 km) |
| Perth Amboy to Knezha | 4,730.32 mi (7,612.72 km) |
| Perth Amboy to Kostinbrod | 4,722.66 mi (7,600.39 km) |
| Perth Amboy to Kozloduy | 4,704.67 mi (7,571.43 km) |
| Perth Amboy to Kyustendil | 4,722.17 mi (7,599.60 km) |
| Perth Amboy to Levski | 4,778.22 mi (7,689.80 km) |
| Perth Amboy to Lom | 4,682.87 mi (7,536.35 km) |
| Perth Amboy to Lovech | 4,770.95 mi (7,678.10 km) |
| Perth Amboy to Lukovit | 4,745.92 mi (7,637.83 km) |
| Perth Amboy to Lyaskovets | 4,812.77 mi (7,745.41 km) |
| Perth Amboy to Mezdra | 4,728.95 mi (7,610.51 km) |
| Perth Amboy to Momchilgrad | 4,865.96 mi (7,831.00 km) |
