| Southborough to Lowell (Indiana) | 3,992.89 mi (6,425.94 km) |
| Southborough to Lowell (Massachusetts) | 3,294.03 mi (5,301.24 km) |
| Southborough to Lower Burrell (Pennsylvania) | 3,722.26 mi (5,990.39 km) |
| Southborough to Lowes Island (Virginia) | 3,695.04 mi (5,946.59 km) |
| Southborough to Lubbock (Texas) | 4,926.27 mi (7,928.07 km) |
| Southborough to Lufkin (Texas) | 4,767.82 mi (7,673.07 km) |
| Southborough to Luling (Louisiana) | 4,664.92 mi (7,507.46 km) |
| Southborough to Lumberton (North Carolina) | 3,966.78 mi (6,383.91 km) |
| Southborough to Lumberton (Texas) | 4,801.93 mi (7,727.96 km) |
| Southborough to Lutz (Florida) | 4,425.80 mi (7,122.64 km) |
| Southborough to Lynbrook (New York) | 3,473.65 mi (5,590.30 km) |
| Southborough to Lynchburg (Virginia) | 3,845.00 mi (6,187.93 km) |
| Southborough to Lynden (Washington) | 4,740.23 mi (7,628.66 km) |
| Southborough to Lyndhurst (Ohio) | 3,751.43 mi (6,037.34 km) |
| Southborough to Lyndon (Kentucky) | 4,062.98 mi (6,538.73 km) |
