| Southborough to Glen Carbon (Illinois) | 4,211.55 mi (6,777.83 km) |
| Southborough to Glen Cove (New York) | 3,462.66 mi (5,572.61 km) |
| Southborough to Glen Ellyn (Illinois) | 3,990.85 mi (6,422.66 km) |
| Southborough to Glen Rock (New Jersey) | 3,479.17 mi (5,599.19 km) |
| Southborough to Glendale (Arizona) | 5,296.08 mi (8,523.21 km) |
| Southborough to Glendale (California) | 5,461.84 mi (8,789.98 km) |
| Southborough to Glendale (Wisconsin) | 3,927.55 mi (6,320.77 km) |
| Southborough to Glendale Heights (Illinois) | 3,988.99 mi (6,419.66 km) |
| Southborough to Glendora (California) | 5,451.08 mi (8,772.67 km) |
| Southborough to Glenmont (Maryland) | 3,681.52 mi (5,924.83 km) |
| Southborough to Glenn Dale (Maryland) | 3,675.43 mi (5,915.04 km) |
| Southborough to Glenn Heights (Texas) | 4,787.81 mi (7,705.24 km) |
| Southborough to Glenpool (Oklahoma) | 4,581.48 mi (7,373.18 km) |
| Southborough to Glens Falls (New York) | 3,360.87 mi (5,408.79 km) |
| Southborough to Glenvar Heights (Florida) | 4,457.16 mi (7,173.11 km) |
