| Mount Prospect to Legionowo | 4,655.28 mi (7,491.94 km) |
| Mount Prospect to Legnica | 4,550.79 mi (7,323.78 km) |
| Mount Prospect to Leszno | 4,537.97 mi (7,303.15 km) |
| Mount Prospect to Lezajsk | 4,802.73 mi (7,729.25 km) |
| Mount Prospect to Libiaz | 4,706.39 mi (7,574.20 km) |
| Mount Prospect to Lidzbark | 4,583.12 mi (7,375.81 km) |
| Mount Prospect to Lidzbark Warminski | 4,569.46 mi (7,353.84 km) |
| Mount Prospect to Limanowa | 4,761.86 mi (7,663.47 km) |
| Mount Prospect to Lipno | 4,580.07 mi (7,370.90 km) |
| Mount Prospect to Lobez | 4,431.04 mi (7,131.07 km) |
| Mount Prospect to Lodz | 4,636.58 mi (7,461.86 km) |
| Mount Prospect to Lomianki | 4,658.26 mi (7,496.75 km) |
| Mount Prospect to Lomza | 4,658.02 mi (7,496.35 km) |
| Mount Prospect to Lowicz | 4,637.94 mi (7,464.05 km) |
| Mount Prospect to Lubaczow | 4,830.52 mi (7,773.98 km) |
