| Southborough to Springfield (Missouri) | 4,415.38 mi (7,105.87 km) |
| Southborough to Springfield (Ohio) | 3,914.40 mi (6,299.62 km) |
| Southborough to Springfield (Oregon) | 5,035.04 mi (8,103.12 km) |
| Southborough to Springfield (Tennessee) | 4,198.24 mi (6,756.42 km) |
| Southborough to Springfield (Virginia) | 3,700.06 mi (5,954.66 km) |
| Southborough to Springville (Utah) | 4,913.37 mi (7,907.30 km) |
| Southborough to St. Albans (West Virginia) | 3,906.95 mi (6,287.63 km) |
| Southborough to St. Andrews (South Carolina) | 4,080.88 mi (6,567.54 km) |
| Southborough to St. Ann (Missouri) | 4,228.70 mi (6,805.44 km) |
| Southborough to St. Augustine (Florida) | 4,290.83 mi (6,905.43 km) |
| Southborough to St. Charles (Illinois) | 3,997.86 mi (6,433.93 km) |
| Southborough to St. Charles (Missouri) | 4,230.33 mi (6,808.06 km) |
| Southborough to St. Clair Shores (Michigan) | 3,763.14 mi (6,056.19 km) |
| Southborough to St. Cloud (Florida) | 4,371.65 mi (7,035.49 km) |
| Southborough to St. Cloud (Minnesota) | 4,044.80 mi (6,509.47 km) |
