| Southborough to Haverhill (Massachusetts) | 3,278.51 mi (5,276.25 km) |
| Southborough to Havre de Grace (Maryland) | 3,622.11 mi (5,829.22 km) |
| Southborough to Hawaiian Gardens (California) | 5,476.34 mi (8,813.31 km) |
| Southborough to Hawaiian Paradise Park (Hawaii) | 7,323.20 mi (11,785.56 km) |
| Southborough to Hawthorne (California) | 5,480.36 mi (8,819.79 km) |
| Southborough to Hawthorne (New Jersey) | 3,480.63 mi (5,601.53 km) |
| Southborough to Hayden (Idaho) | 4,654.32 mi (7,490.40 km) |
| Southborough to Hayesville (Oregon) | 4,981.44 mi (8,016.86 km) |
| Southborough to Hays (Kansas) | 4,556.33 mi (7,332.70 km) |
| Southborough to Haysville (Kansas) | 4,550.52 mi (7,323.35 km) |
| Southborough to Hayward (California) | 5,381.26 mi (8,660.29 km) |
| Southborough to Hazel Crest (Illinois) | 3,990.21 mi (6,421.62 km) |
| Southborough to Hazel Dell (Washington) | 4,932.57 mi (7,938.21 km) |
| Southborough to Hazel Park (Michigan) | 3,772.36 mi (6,071.03 km) |
| Southborough to Hazelwood (Missouri) | 4,225.60 mi (6,800.44 km) |
