| Southborough to Germantown (Wisconsin) | 3,930.03 mi (6,324.77 km) |
| Southborough to Gibsonton (Florida) | 4,438.49 mi (7,143.05 km) |
| Southborough to Gig Harbor (Washington) | 4,836.09 mi (7,782.94 km) |
| Southborough to Gilbert (Arizona) | 5,294.32 mi (8,520.39 km) |
| Southborough to Gillette (Wyoming) | 4,494.79 mi (7,233.67 km) |
| Southborough to Gilroy (California) | 5,403.04 mi (8,695.36 km) |
| Southborough to Gladeview (Florida) | 4,447.24 mi (7,157.14 km) |
| Southborough to Gladstone (Missouri) | 4,363.66 mi (7,022.64 km) |
| Southborough to Gladstone (Oregon) | 4,947.76 mi (7,962.65 km) |
| Southborough to Glasgow (Delaware) | 3,604.69 mi (5,801.19 km) |
| Southborough to Glasgow (Kentucky) | 4,136.12 mi (6,656.45 km) |
| Southborough to Glassboro (New Jersey) | 3,574.19 mi (5,752.10 km) |
| Southborough to Glassmanor (Maryland) | 3,690.17 mi (5,938.75 km) |
| Southborough to Glen Allen (Virginia) | 3,762.71 mi (6,055.50 km) |
| Southborough to Glen Burnie (Maryland) | 3,659.67 mi (5,889.66 km) |
