| Gurnee to Karditsa | 5,285.58 mi (8,506.33 km) |
| Gurnee to Kastoria | 5,205.55 mi (8,377.52 km) |
| Gurnee to Katerini | 5,264.13 mi (8,471.79 km) |
| Gurnee to Keratsini | 5,418.82 mi (8,720.75 km) |
| Gurnee to Kerkyra | 5,196.57 mi (8,363.07 km) |
| Gurnee to Kiato | 5,383.43 mi (8,663.79 km) |
| Gurnee to Kifisia | 5,420.71 mi (8,723.78 km) |
| Gurnee to Kilkis | 5,243.09 mi (8,437.93 km) |
| Gurnee to Komotini | 5,330.91 mi (8,579.27 km) |
| Gurnee to Korinthos | 5,393.78 mi (8,680.44 km) |
| Gurnee to Koropi | 5,431.91 mi (8,741.81 km) |
| Gurnee to Korydallos | 5,419.28 mi (8,721.48 km) |
| Gurnee to Kos | 5,611.49 mi (9,030.82 km) |
| Gurnee to Kozani | 5,235.50 mi (8,425.73 km) |
| Gurnee to Lagos | 5,318.34 mi (8,559.04 km) |
