| Southborough to Legionowo | 882.48 mi (1,420.22 km) |
| Southborough to Legnica | 687.07 mi (1,105.73 km) |
| Southborough to Leszno | 701.83 mi (1,129.49 km) |
| Southborough to Lezajsk | 968.13 mi (1,558.05 km) |
| Southborough to Libiaz | 835.83 mi (1,345.13 km) |
| Southborough to Lidzbark | 837.83 mi (1,348.36 km) |
| Southborough to Lidzbark Warminski | 872.75 mi (1,404.56 km) |
| Southborough to Limanowa | 890.25 mi (1,432.72 km) |
| Southborough to Lipno | 809.96 mi (1,303.51 km) |
| Southborough to Lobez | 667.93 mi (1,074.94 km) |
| Southborough to Lodz | 824.65 mi (1,327.15 km) |
| Southborough to Lomianki | 882.71 mi (1,420.58 km) |
| Southborough to Lomza | 930.89 mi (1,498.12 km) |
| Southborough to Lowicz | 843.44 mi (1,357.38 km) |
| Southborough to Lubaczow | 999.38 mi (1,608.34 km) |
