| Dorchester to Silver Firs (Washington) | 4,746.02 mi (7,637.98 km) |
| Dorchester to Silver Spring (Maryland) | 3,581.45 mi (5,763.78 km) |
| Dorchester to Silver Springs Shores (Florida) | 4,251.56 mi (6,842.22 km) |
| Dorchester to Silverdale (Washington) | 4,771.60 mi (7,679.14 km) |
| Dorchester to Silverton (Oregon) | 4,924.05 mi (7,924.49 km) |
| Dorchester to Simi Valley (California) | 5,405.70 mi (8,699.64 km) |
| Dorchester to Simpsonville (South Carolina) | 3,993.40 mi (6,426.76 km) |
| Dorchester to Sioux City (Iowa) | 4,188.04 mi (6,740.01 km) |
| Dorchester to Sioux Falls (South Dakota) | 4,151.03 mi (6,680.43 km) |
| Dorchester to Skokie (Illinois) | 3,880.73 mi (6,245.43 km) |
| Dorchester to Sleepy Hollow (New York) | 3,361.31 mi (5,409.51 km) |
| Dorchester to Slidell (Louisiana) | 4,521.26 mi (7,276.26 km) |
| Dorchester to Smithfield (North Carolina) | 3,792.95 mi (6,104.16 km) |
| Dorchester to Smithfield (Utah) | 4,762.07 mi (7,663.81 km) |
| Dorchester to Smithville (Missouri) | 4,268.18 mi (6,868.97 km) |
