| Southborough to Largo (Florida) | 4,451.01 mi (7,163.21 km) |
| Southborough to Largo (Maryland) | 3,681.07 mi (5,924.11 km) |
| Southborough to Larkspur (California) | 5,376.86 mi (8,653.22 km) |
| Southborough to Las Cruces (New Mexico) | 5,172.70 mi (8,324.66 km) |
| Southborough to Las Vegas (Nevada) | 5,249.30 mi (8,447.94 km) |
| Southborough to Las Vegas (New Mexico) | 4,940.29 mi (7,950.63 km) |
| Southborough to Latham (New York) | 3,388.59 mi (5,453.41 km) |
| Southborough to Lathrop (California) | 5,348.32 mi (8,607.28 km) |
| Southborough to Lauderdale Lakes (Florida) | 4,429.24 mi (7,128.17 km) |
| Southborough to Lauderhill (Florida) | 4,430.58 mi (7,130.32 km) |
| Southborough to Laurel (Florida) | 4,475.56 mi (7,202.72 km) |
| Southborough to Laurel (Maryland) | 3,672.84 mi (5,910.87 km) |
| Southborough to Laurel (Mississippi) | 4,525.44 mi (7,283.00 km) |
| Southborough to Laurel (Virginia) | 3,764.93 mi (6,059.07 km) |
| Southborough to Laurinburg (North Carolina) | 3,979.75 mi (6,404.79 km) |
