| Southborough to Lizzano | 1,108.21 mi (1,783.50 km) |
| Southborough to Locate di Triulzi | 574.31 mi (924.26 km) |
| Southborough to Locorotondo | 1,085.34 mi (1,746.69 km) |
| Southborough to Locri | 1,184.25 mi (1,905.86 km) |
| Southborough to Lodi | 585.34 mi (942.02 km) |
| Southborough to Lomazzo | 550.57 mi (886.06 km) |
| Southborough to Lonate Pozzolo | 546.31 mi (879.20 km) |
| Southborough to Lonigo | 647.47 mi (1,042.00 km) |
| Southborough to Loreto | 819.67 mi (1,319.13 km) |
| Southborough to Loria | 649.41 mi (1,045.12 km) |
| Southborough to Lucca | 694.46 mi (1,117.62 km) |
| Southborough to Lucera | 977.47 mi (1,573.08 km) |
| Southborough to Lugo | 712.39 mi (1,146.48 km) |
| Southborough to Luino | 526.19 mi (846.82 km) |
| Southborough to Lurate Caccivio | 546.13 mi (878.91 km) |
