| Southborough to Tacoma (Washington) | 4,837.59 mi (7,785.35 km) |
| Southborough to Tahlequah (Oklahoma) | 4,544.10 mi (7,313.02 km) |
| Southborough to Takoma Park (Maryland) | 3,683.68 mi (5,928.32 km) |
| Southborough to Talladega (Alabama) | 4,315.69 mi (6,945.44 km) |
| Southborough to Tallahassee (Florida) | 4,386.34 mi (7,059.13 km) |
| Southborough to Tallmadge (Ohio) | 3,767.16 mi (6,062.65 km) |
| Southborough to Tamalpais-Homestead Valley (California) | 5,380.56 mi (8,659.17 km) |
| Southborough to Tamarac (Florida) | 4,429.58 mi (7,128.73 km) |
| Southborough to Tamiami (Florida) | 4,458.49 mi (7,175.25 km) |
| Southborough to Tampa (Florida) | 4,432.96 mi (7,134.16 km) |
| Southborough to Tanaina (Alaska) | 4,465.38 mi (7,186.33 km) |
| Southborough to Tanque Verde (Arizona) | 5,317.02 mi (8,556.91 km) |
| Southborough to Tarboro (North Carolina) | 3,846.52 mi (6,190.37 km) |
| Southborough to Tarpon Springs (Florida) | 4,438.62 mi (7,143.26 km) |
| Southborough to Tarrytown (New York) | 3,464.14 mi (5,575.00 km) |
