| Grayslake to Karlovo | 5,237.62 mi (8,429.13 km) |
| Grayslake to Karnobat | 5,315.02 mi (8,553.70 km) |
| Grayslake to Kavarna | 5,321.30 mi (8,563.80 km) |
| Grayslake to Kazanlak | 5,260.06 mi (8,465.24 km) |
| Grayslake to Knezha | 5,169.92 mi (8,320.18 km) |
| Grayslake to Kostinbrod | 5,172.01 mi (8,323.54 km) |
| Grayslake to Kozloduy | 5,143.71 mi (8,278.01 km) |
| Grayslake to Kyustendil | 5,178.37 mi (8,333.79 km) |
| Grayslake to Levski | 5,213.63 mi (8,390.52 km) |
| Grayslake to Lom | 5,124.01 mi (8,246.30 km) |
| Grayslake to Lovech | 5,210.30 mi (8,385.17 km) |
| Grayslake to Lukovit | 5,187.51 mi (8,348.49 km) |
| Grayslake to Lyaskovets | 5,247.34 mi (8,444.78 km) |
| Grayslake to Mezdra | 5,173.25 mi (8,325.55 km) |
| Grayslake to Momchilgrad | 5,314.31 mi (8,552.55 km) |
