| Southborough to Land O' Lakes (Florida) | 4,422.46 mi (7,117.25 km) |
| Southborough to Landover (Maryland) | 3,681.50 mi (5,924.80 km) |
| Southborough to Langley Park (Maryland) | 3,682.39 mi (5,926.24 km) |
| Southborough to Lanham (Maryland) | 3,677.95 mi (5,919.08 km) |
| Southborough to Lansdale (Pennsylvania) | 3,557.54 mi (5,725.31 km) |
| Southborough to Lansdowne (Pennsylvania) | 3,570.47 mi (5,746.11 km) |
| Southborough to Lansdowne (Virginia) | 3,698.75 mi (5,952.56 km) |
| Southborough to Lansing (Illinois) | 3,985.09 mi (6,413.38 km) |
| Southborough to Lansing (Kansas) | 4,374.87 mi (7,040.68 km) |
| Southborough to Lansing (Michigan) | 3,817.78 mi (6,144.12 km) |
| Southborough to Lantana (Florida) | 4,402.24 mi (7,084.72 km) |
| Southborough to Lantana (Texas) | 4,770.17 mi (7,676.85 km) |
| Southborough to Laplace (Louisiana) | 4,661.20 mi (7,501.47 km) |
| Southborough to Laramie (Wyoming) | 4,652.47 mi (7,487.43 km) |
| Southborough to Laredo (Texas) | 5,151.59 mi (8,290.69 km) |
