| Southborough to Delhi (California) | 5,354.03 mi (8,616.48 km) |
| Southborough to Delray Beach (Florida) | 4,410.12 mi (7,097.40 km) |
| Southborough to Deltona (Florida) | 4,335.77 mi (6,977.74 km) |
| Southborough to Deming (New Mexico) | 5,210.95 mi (8,386.22 km) |
| Southborough to Denison (Texas) | 4,714.66 mi (7,587.52 km) |
| Southborough to Dent (Ohio) | 3,982.75 mi (6,409.62 km) |
| Southborough to Denton (Texas) | 4,764.52 mi (7,667.75 km) |
| Southborough to Dentsville (South Carolina) | 4,073.46 mi (6,555.60 km) |
| Southborough to Denver (Colorado) | 4,708.35 mi (7,577.36 km) |
| Southborough to Depew (New York) | 3,580.02 mi (5,761.48 km) |
| Southborough to Derby (Connecticut) | 3,420.89 mi (5,505.40 km) |
| Southborough to Derby (Kansas) | 4,547.26 mi (7,318.11 km) |
| Southborough to Des Moines (Iowa) | 4,213.20 mi (6,780.50 km) |
| Southborough to Des Moines (Washington) | 4,825.50 mi (7,765.89 km) |
| Southborough to Des Plaines (Illinois) | 3,976.89 mi (6,400.19 km) |
