| Plymouth to Silver Firs (Washington) | 4,717.15 mi (7,591.52 km) |
| Plymouth to Silver Spring (Maryland) | 3,516.99 mi (5,660.05 km) |
| Plymouth to Silver Springs Shores (Florida) | 4,183.04 mi (6,731.95 km) |
| Plymouth to Silverdale (Washington) | 4,742.96 mi (7,633.06 km) |
| Plymouth to Silverton (Oregon) | 4,893.37 mi (7,875.12 km) |
| Plymouth to Simi Valley (California) | 5,363.93 mi (8,632.41 km) |
| Plymouth to Simpsonville (South Carolina) | 3,928.43 mi (6,322.20 km) |
| Plymouth to Sioux City (Iowa) | 4,137.14 mi (6,658.08 km) |
| Plymouth to Sioux Falls (South Dakota) | 4,101.25 mi (6,600.33 km) |
| Plymouth to Skokie (Illinois) | 3,824.40 mi (6,154.78 km) |
| Plymouth to Sleepy Hollow (New York) | 3,297.05 mi (5,306.09 km) |
| Plymouth to Slidell (Louisiana) | 4,457.37 mi (7,173.44 km) |
| Plymouth to Smithfield (North Carolina) | 3,726.59 mi (5,997.36 km) |
| Plymouth to Smithfield (Utah) | 4,720.75 mi (7,597.31 km) |
| Plymouth to Smithville (Missouri) | 4,213.55 mi (6,781.06 km) |
