| Glen Ellyn to Karlovo | 5,262.09 mi (8,468.51 km) |
| Glen Ellyn to Karnobat | 5,339.93 mi (8,593.79 km) |
| Glen Ellyn to Kavarna | 5,346.68 mi (8,604.66 km) |
| Glen Ellyn to Kazanlak | 5,284.64 mi (8,504.81 km) |
| Glen Ellyn to Knezha | 5,194.48 mi (8,359.71 km) |
| Glen Ellyn to Kostinbrod | 5,196.20 mi (8,362.48 km) |
| Glen Ellyn to Kozloduy | 5,168.28 mi (8,317.55 km) |
| Glen Ellyn to Kyustendil | 5,202.30 mi (8,372.30 km) |
| Glen Ellyn to Levski | 5,238.36 mi (8,430.33 km) |
| Glen Ellyn to Lom | 5,148.49 mi (8,285.70 km) |
| Glen Ellyn to Lovech | 5,234.89 mi (8,424.73 km) |
| Glen Ellyn to Lukovit | 5,212.00 mi (8,387.91 km) |
| Glen Ellyn to Lyaskovets | 5,272.12 mi (8,484.66 km) |
| Glen Ellyn to Mezdra | 5,197.64 mi (8,364.79 km) |
| Glen Ellyn to Momchilgrad | 5,338.60 mi (8,591.64 km) |
