| Boulder to Luban | 5,192.05 mi (8,355.79 km) |
| Boulder to Lubartow | 5,379.42 mi (8,657.34 km) |
| Boulder to Lubawa | 5,194.78 mi (8,360.19 km) |
| Boulder to Lubin | 5,204.49 mi (8,375.81 km) |
| Boulder to Lublin | 5,390.30 mi (8,674.85 km) |
| Boulder to Lubliniec | 5,313.13 mi (8,550.66 km) |
| Boulder to Lubon | 5,176.45 mi (8,330.69 km) |
| Boulder to Lubsko | 5,148.20 mi (8,285.23 km) |
| Boulder to Lukow | 5,348.70 mi (8,607.91 km) |
| Boulder to Lwowek Slaski | 5,200.81 mi (8,369.90 km) |
| Boulder to Makow Mazowiecki | 5,264.21 mi (8,471.93 km) |
| Boulder to Malbork | 5,147.76 mi (8,284.52 km) |
| Boulder to Marki | 5,292.70 mi (8,517.77 km) |
| Boulder to Miastko | 5,093.22 mi (8,196.75 km) |
| Boulder to Miechow | 5,368.59 mi (8,639.91 km) |
