| Chicago Heights to Krosno Odrzanskie | 4,498.39 mi (7,239.46 km) |
| Chicago Heights to Krotoszyn | 4,592.35 mi (7,390.67 km) |
| Chicago Heights to Kruszwica | 4,579.92 mi (7,370.67 km) |
| Chicago Heights to Krynica | 4,811.39 mi (7,743.19 km) |
| Chicago Heights to Krzeszowice | 4,734.17 mi (7,618.91 km) |
| Chicago Heights to Kudowa-Zdroj | 4,604.08 mi (7,409.55 km) |
| Chicago Heights to Kutno | 4,633.20 mi (7,456.41 km) |
| Chicago Heights to Kwidzyn | 4,554.30 mi (7,329.44 km) |
| Chicago Heights to Lancut | 4,824.67 mi (7,764.56 km) |
| Chicago Heights to Lapy | 4,713.04 mi (7,584.90 km) |
| Chicago Heights to Lask | 4,653.42 mi (7,488.95 km) |
| Chicago Heights to Laziska Gorne | 4,706.69 mi (7,574.68 km) |
| Chicago Heights to Lebork | 4,482.11 mi (7,213.25 km) |
| Chicago Heights to Leczna | 4,789.65 mi (7,708.19 km) |
| Chicago Heights to Leczyca | 4,635.66 mi (7,460.37 km) |
