| Chicago Heights to Leopoldsburg | 4,181.16 mi (6,728.92 km) |
| Chicago Heights to Lessines | 4,141.75 mi (6,665.51 km) |
| Chicago Heights to Leuven | 4,168.60 mi (6,708.72 km) |
| Chicago Heights to Lichtervelde | 4,104.40 mi (6,605.39 km) |
| Chicago Heights to Liedekerke | 4,145.99 mi (6,672.32 km) |
| Chicago Heights to Liege | 4,209.90 mi (6,775.17 km) |
| Chicago Heights to Lierre | 4,154.85 mi (6,686.59 km) |
| Chicago Heights to Lille | 4,161.31 mi (6,696.98 km) |
| Chicago Heights to Lint | 4,152.31 mi (6,682.49 km) |
| Chicago Heights to Lochristi | 4,128.50 mi (6,644.18 km) |
| Chicago Heights to Lokeren | 4,134.14 mi (6,653.25 km) |
| Chicago Heights to Lommel | 4,179.31 mi (6,725.95 km) |
| Chicago Heights to Londerzeel | 4,149.50 mi (6,677.98 km) |
| Chicago Heights to Louvain-la-Neuve | 4,168.68 mi (6,708.85 km) |
| Chicago Heights to Lovendegem | 4,119.72 mi (6,630.05 km) |
