| Chicago Heights to Kidricevo | 4,760.34 mi (7,661.03 km) |
| Chicago Heights to Kobarid | 4,683.76 mi (7,537.78 km) |
| Chicago Heights to Kobilje | 4,770.43 mi (7,677.26 km) |
| Chicago Heights to Kocevje | 4,757.94 mi (7,657.17 km) |
| Chicago Heights to Komen | 4,708.47 mi (7,577.56 km) |
| Chicago Heights to Komenda | 4,721.73 mi (7,598.88 km) |
| Chicago Heights to Koper | 4,719.06 mi (7,594.60 km) |
| Chicago Heights to Kostanjevica na Krki | 4,770.53 mi (7,677.43 km) |
| Chicago Heights to Kostel | 4,765.62 mi (7,669.53 km) |
| Chicago Heights to Kozje | 4,765.74 mi (7,669.72 km) |
| Chicago Heights to Kranj | 4,714.13 mi (7,586.66 km) |
| Chicago Heights to Kranjska Gora | 4,681.61 mi (7,534.33 km) |
| Chicago Heights to Krizevci | 4,766.22 mi (7,670.49 km) |
| Chicago Heights to Krsko | 4,768.25 mi (7,673.76 km) |
| Chicago Heights to Kuzma | 4,752.44 mi (7,648.32 km) |
