| Erith to Silver Firs (Washington) | 4,774.32 mi (7,683.53 km) |
| Erith to Silver Spring (Maryland) | 3,672.71 mi (5,910.66 km) |
| Erith to Silver Springs Shores (Florida) | 4,350.32 mi (7,001.16 km) |
| Erith to Silverdale (Washington) | 4,799.49 mi (7,724.03 km) |
| Erith to Silverton (Oregon) | 4,955.23 mi (7,974.67 km) |
| Erith to Simi Valley (California) | 5,455.32 mi (8,779.49 km) |
| Erith to Simpsonville (South Carolina) | 4,085.41 mi (6,574.83 km) |
| Erith to Sioux City (Iowa) | 4,254.41 mi (6,846.81 km) |
| Erith to Sioux Falls (South Dakota) | 4,215.42 mi (6,784.07 km) |
| Erith to Skokie (Illinois) | 3,956.92 mi (6,368.04 km) |
| Erith to Sleepy Hollow (New York) | 3,452.34 mi (5,556.01 km) |
| Erith to Slidell (Louisiana) | 4,610.98 mi (7,420.66 km) |
| Erith to Smithfield (North Carolina) | 3,887.71 mi (6,256.67 km) |
| Erith to Smithfield (Utah) | 4,811.37 mi (7,743.15 km) |
| Erith to Smithville (Missouri) | 4,341.08 mi (6,986.29 km) |
