| Southborough to Grovetown (Georgia) | 4,155.24 mi (6,687.22 km) |
| Southborough to Guayama (Puerto Rico) | 4,239.05 mi (6,822.10 km) |
| Southborough to Guaynabo (Puerto Rico) | 4,217.85 mi (6,787.97 km) |
| Southborough to Gulf Shores (Alabama) | 4,537.70 mi (7,302.72 km) |
| Southborough to Gulfport (Florida) | 4,456.55 mi (7,172.13 km) |
| Southborough to Gulfport (Mississippi) | 4,586.10 mi (7,380.62 km) |
| Southborough to Gunbarrel (Colorado) | 4,702.78 mi (7,568.39 km) |
| Southborough to Gurnee (Illinois) | 3,962.82 mi (6,377.54 km) |
| Southborough to Guthrie (Oklahoma) | 4,641.17 mi (7,469.25 km) |
| Southborough to Guttenberg (New Jersey) | 3,481.43 mi (5,602.82 km) |
| Southborough to Guymon (Oklahoma) | 4,747.62 mi (7,640.56 km) |
| Southborough to Hacienda Heights (California) | 5,463.59 mi (8,792.80 km) |
| Southborough to Hackensack (New Jersey) | 3,478.99 mi (5,598.89 km) |
| Southborough to Hackettstown (New Jersey) | 3,512.38 mi (5,652.64 km) |
| Southborough to Hagerstown (Maryland) | 3,683.65 mi (5,928.27 km) |
