| Southborough to Hanahan (South Carolina) | 4,088.66 mi (6,580.06 km) |
| Southborough to Hanford (California) | 5,383.26 mi (8,663.52 km) |
| Southborough to Hannibal (Missouri) | 4,219.85 mi (6,791.20 km) |
| Southborough to Hanover (Pennsylvania) | 3,645.97 mi (5,867.62 km) |
| Southborough to Hanover Park (Illinois) | 3,988.62 mi (6,419.07 km) |
| Southborough to Happy Valley (Oregon) | 4,942.63 mi (7,954.39 km) |
| Southborough to Harker Heights (Texas) | 4,895.88 mi (7,879.15 km) |
| Southborough to Harlingen (Texas) | 5,153.25 mi (8,293.36 km) |
| Southborough to Harper Woods (Michigan) | 3,766.82 mi (6,062.10 km) |
| Southborough to Harrisburg (North Carolina) | 4,002.13 mi (6,440.81 km) |
| Southborough to Harrisburg (Pennsylvania) | 3,621.49 mi (5,828.23 km) |
| Southborough to Harrison (Arkansas) | 4,455.97 mi (7,171.18 km) |
| Southborough to Harrison (New Jersey) | 3,489.64 mi (5,616.03 km) |
| Southborough to Harrison (New York) | 3,459.84 mi (5,568.08 km) |
| Southborough to Harrison (Ohio) | 3,984.65 mi (6,412.68 km) |
