| Boulder to Legionowo | 5,283.33 mi (8,502.70 km) |
| Boulder to Legnica | 5,213.10 mi (8,389.67 km) |
| Boulder to Leszno | 5,192.74 mi (8,356.91 km) |
| Boulder to Lezajsk | 5,440.10 mi (8,754.99 km) |
| Boulder to Libiaz | 5,361.90 mi (8,629.14 km) |
| Boulder to Lidzbark | 5,209.29 mi (8,383.54 km) |
| Boulder to Lidzbark Warminski | 5,184.20 mi (8,343.16 km) |
| Boulder to Limanowa | 5,414.73 mi (8,714.16 km) |
| Boulder to Lipno | 5,213.16 mi (8,389.77 km) |
| Boulder to Lobez | 5,074.73 mi (8,166.98 km) |
| Boulder to Lodz | 5,277.41 mi (8,493.16 km) |
| Boulder to Lomianki | 5,286.89 mi (8,508.42 km) |
| Boulder to Lomza | 5,273.13 mi (8,486.28 km) |
| Boulder to Lowicz | 5,273.53 mi (8,486.93 km) |
| Boulder to Lubaczow | 5,465.03 mi (8,795.12 km) |
