| Chicago Heights to Kocaali | 5,558.32 mi (8,945.25 km) |
| Chicago Heights to Kocaeli | 5,540.63 mi (8,916.78 km) |
| Chicago Heights to Konak | 5,557.84 mi (8,944.49 km) |
| Chicago Heights to Konakli | 5,826.91 mi (9,377.50 km) |
| Chicago Heights to Konya | 5,781.34 mi (9,304.16 km) |
| Chicago Heights to Koprukoy | 5,977.81 mi (9,620.36 km) |
| Chicago Heights to Korfez | 5,533.07 mi (8,904.62 km) |
| Chicago Heights to Korkut | 6,044.77 mi (9,728.12 km) |
| Chicago Heights to Kose | 5,895.68 mi (9,488.18 km) |
| Chicago Heights to Kovancilar | 5,985.09 mi (9,632.08 km) |
| Chicago Heights to Koyulhisar | 5,832.33 mi (9,386.23 km) |
| Chicago Heights to Kozan | 5,919.45 mi (9,526.44 km) |
| Chicago Heights to Kozlu | 5,569.83 mi (8,963.77 km) |
| Chicago Heights to Kozluk | 6,066.24 mi (9,762.67 km) |
| Chicago Heights to Kucuk Dalyan | 5,998.65 mi (9,653.89 km) |
