| Southborough to Austin (Texas) | 4,939.52 mi (7,949.40 km) |
| Southborough to Austintown (Ohio) | 3,740.50 mi (6,019.75 km) |
| Southborough to Avenal (California) | 5,414.56 mi (8,713.89 km) |
| Southborough to Avenel (New Jersey) | 3,501.34 mi (5,634.86 km) |
| Southborough to Aventura (Florida) | 4,437.10 mi (7,140.83 km) |
| Southborough to Avocado Heights (California) | 5,461.97 mi (8,790.19 km) |
| Southborough to Avon (Indiana) | 4,024.38 mi (6,476.62 km) |
| Southborough to Avon (Ohio) | 3,775.30 mi (6,075.75 km) |
| Southborough to Avon Lake (Ohio) | 3,773.13 mi (6,072.27 km) |
| Southborough to Avondale (Arizona) | 5,309.90 mi (8,545.45 km) |
| Southborough to Azalea Park (Florida) | 4,356.95 mi (7,011.84 km) |
| Southborough to Azle (Texas) | 4,796.39 mi (7,719.04 km) |
| Southborough to Azusa (California) | 5,453.56 mi (8,776.66 km) |
| Southborough to Bacliff (Texas) | 4,871.66 mi (7,840.17 km) |
| Southborough to Badger (Alaska) | 4,240.10 mi (6,823.78 km) |
