| Southborough to Hicksville (New York) | 3,462.97 mi (5,573.11 km) |
| Southborough to Hidalgo (Texas) | 5,179.51 mi (8,335.62 km) |
| Southborough to High Point (North Carolina) | 3,943.31 mi (6,346.14 km) |
| Southborough to Highland (California) | 5,430.94 mi (8,740.25 km) |
| Southborough to Highland (Illinois) | 4,199.80 mi (6,758.92 km) |
| Southborough to Highland (Indiana) | 3,982.50 mi (6,409.22 km) |
| Southborough to Highland (Utah) | 4,904.67 mi (7,893.30 km) |
| Southborough to Highland City (Florida) | 4,410.61 mi (7,098.18 km) |
| Southborough to Highland Park (Illinois) | 3,966.62 mi (6,383.66 km) |
| Southborough to Highland Park (New Jersey) | 3,511.37 mi (5,651.00 km) |
| Southborough to Highland Springs (Virginia) | 3,761.51 mi (6,053.56 km) |
| Southborough to Highland Village (Texas) | 4,768.01 mi (7,673.37 km) |
| Southborough to Highlands Ranch (Colorado) | 4,723.18 mi (7,601.22 km) |
| Southborough to Hillcrest (California) | 5,415.91 mi (8,716.07 km) |
| Southborough to Hillcrest Heights (Maryland) | 3,688.52 mi (5,936.10 km) |
