| Glen Ellyn to Karditsa | 5,313.48 mi (8,551.23 km) |
| Glen Ellyn to Kastoria | 5,233.64 mi (8,422.73 km) |
| Glen Ellyn to Katerini | 5,292.40 mi (8,517.29 km) |
| Glen Ellyn to Keratsini | 5,446.70 mi (8,765.62 km) |
| Glen Ellyn to Kerkyra | 5,224.12 mi (8,407.41 km) |
| Glen Ellyn to Kiato | 5,411.13 mi (8,708.37 km) |
| Glen Ellyn to Kifisia | 5,448.66 mi (8,768.77 km) |
| Glen Ellyn to Kilkis | 5,271.63 mi (8,483.86 km) |
| Glen Ellyn to Komotini | 5,359.98 mi (8,626.05 km) |
| Glen Ellyn to Korinthos | 5,421.49 mi (8,725.05 km) |
| Glen Ellyn to Koropi | 5,459.82 mi (8,786.73 km) |
| Glen Ellyn to Korydallos | 5,447.17 mi (8,766.37 km) |
| Glen Ellyn to Kos | 5,639.87 mi (9,076.49 km) |
| Glen Ellyn to Kozani | 5,263.63 mi (8,471.00 km) |
| Glen Ellyn to Lagos | 5,347.33 mi (8,605.69 km) |
