| Glastonbury to Silver Firs (Washington) | 4,715.14 mi (7,588.28 km) |
| Glastonbury to Silver Spring (Maryland) | 3,560.97 mi (5,730.83 km) |
| Glastonbury to Silver Springs Shores (Florida) | 4,233.53 mi (6,813.21 km) |
| Glastonbury to Silverdale (Washington) | 4,740.69 mi (7,629.40 km) |
| Glastonbury to Silverton (Oregon) | 4,893.41 mi (7,875.18 km) |
| Glastonbury to Simi Valley (California) | 5,377.04 mi (8,653.51 km) |
| Glastonbury to Simpsonville (South Carolina) | 3,973.17 mi (6,394.20 km) |
| Glastonbury to Sioux City (Iowa) | 4,161.87 mi (6,697.88 km) |
| Glastonbury to Sioux Falls (South Dakota) | 4,124.50 mi (6,637.75 km) |
| Glastonbury to Skokie (Illinois) | 3,856.47 mi (6,206.38 km) |
| Glastonbury to Sleepy Hollow (New York) | 3,340.75 mi (5,376.41 km) |
| Glastonbury to Slidell (Louisiana) | 4,500.40 mi (7,242.69 km) |
| Glastonbury to Smithfield (North Carolina) | 3,773.56 mi (6,072.96 km) |
| Glastonbury to Smithfield (Utah) | 4,733.33 mi (7,617.55 km) |
| Glastonbury to Smithville (Missouri) | 4,243.26 mi (6,828.86 km) |
