| Southborough to Lapua | 1,169.62 mi (1,882.33 km) |
| Southborough to Laukaa | 1,230.65 mi (1,980.54 km) |
| Southborough to Lauritsala | 1,262.46 mi (2,031.74 km) |
| Southborough to Lempaala | 1,132.00 mi (1,821.78 km) |
| Southborough to Leppavirta | 1,285.68 mi (2,069.11 km) |
| Southborough to Lieksa | 1,373.05 mi (2,209.71 km) |
| Southborough to Lieto | 1,067.23 mi (1,717.54 km) |
| Southborough to Liminka | 1,301.38 mi (2,094.37 km) |
| Southborough to Liperi | 1,333.45 mi (2,145.98 km) |
| Southborough to Lohja | 1,109.63 mi (1,785.78 km) |
| Southborough to Loimaa | 1,096.62 mi (1,764.84 km) |
| Southborough to Loviisa | 1,183.55 mi (1,904.74 km) |
| Southborough to Mantsala | 1,159.25 mi (1,865.64 km) |
| Southborough to Mariehamn | 978.43 mi (1,574.64 km) |
| Southborough to Masku | 1,058.97 mi (1,704.25 km) |
