| Waltrop to Silver Firs (Washington) | 4,945.11 mi (7,958.38 km) |
| Waltrop to Silver Spring (Maryland) | 3,958.34 mi (6,370.33 km) |
| Waltrop to Silver Springs Shores (Florida) | 4,644.97 mi (7,475.35 km) |
| Waltrop to Silverdale (Washington) | 4,969.32 mi (7,997.36 km) |
| Waltrop to Silverton (Oregon) | 5,131.39 mi (8,258.18 km) |
| Waltrop to Simi Valley (California) | 5,667.24 mi (9,120.54 km) |
| Waltrop to Simpsonville (South Carolina) | 4,371.60 mi (7,035.42 km) |
| Waltrop to Sioux City (Iowa) | 4,500.15 mi (7,242.29 km) |
| Waltrop to Sioux Falls (South Dakota) | 4,457.82 mi (7,174.16 km) |
| Waltrop to Skokie (Illinois) | 4,219.72 mi (6,790.99 km) |
| Waltrop to Sleepy Hollow (New York) | 3,737.93 mi (6,015.62 km) |
| Waltrop to Slidell (Louisiana) | 4,893.47 mi (7,875.28 km) |
| Waltrop to Smithfield (North Carolina) | 4,177.73 mi (6,723.41 km) |
| Waltrop to Smithfield (Utah) | 5,024.36 mi (8,085.93 km) |
| Waltrop to Smithville (Missouri) | 4,597.77 mi (7,399.40 km) |
