| Southborough to Mount Holly (North Carolina) | 4,016.86 mi (6,464.51 km) |
| Southborough to Mount Juliet (Tennessee) | 4,198.12 mi (6,756.22 km) |
| Southborough to Mount Kisco (New York) | 3,452.61 mi (5,556.44 km) |
| Southborough to Mount Pleasant (Michigan) | 3,786.61 mi (6,093.96 km) |
| Southborough to Mount Pleasant (South Carolina) | 4,084.71 mi (6,573.71 km) |
| Southborough to Mount Pleasant (Texas) | 4,683.44 mi (7,537.27 km) |
| Southborough to Mount Pleasant (Wisconsin) | 3,945.11 mi (6,349.04 km) |
| Southborough to Mount Prospect (Illinois) | 3,976.92 mi (6,400.24 km) |
| Southborough to Mount Sinai (New York) | 3,434.74 mi (5,527.69 km) |
| Southborough to Mount Vernon (Illinois) | 4,191.55 mi (6,745.65 km) |
| Southborough to Mount Vernon (New York) | 3,469.05 mi (5,582.89 km) |
| Southborough to Mount Vernon (Ohio) | 3,841.21 mi (6,181.83 km) |
| Southborough to Mount Vernon (Virginia) | 3,699.80 mi (5,954.25 km) |
| Southborough to Mount Vernon (Washington) | 4,766.71 mi (7,671.28 km) |
| Southborough to Mount Washington (Kentucky) | 4,072.08 mi (6,553.37 km) |
