| Echternach to Silver Firs (Washington) | 5,026.46 mi (8,089.30 km) |
| Echternach to Silver Spring (Maryland) | 3,969.32 mi (6,388.01 km) |
| Echternach to Silver Springs Shores (Florida) | 4,645.05 mi (7,475.49 km) |
| Echternach to Silverdale (Washington) | 5,051.07 mi (8,128.90 km) |
| Echternach to Silverton (Oregon) | 5,210.68 mi (8,385.78 km) |
| Echternach to Simi Valley (California) | 5,730.49 mi (9,222.33 km) |
| Echternach to Simpsonville (South Carolina) | 4,381.96 mi (7,052.08 km) |
| Echternach to Sioux City (Iowa) | 4,543.60 mi (7,312.22 km) |
| Echternach to Sioux Falls (South Dakota) | 4,503.39 mi (7,247.51 km) |
| Echternach to Skokie (Illinois) | 4,251.12 mi (6,841.51 km) |
| Echternach to Sleepy Hollow (New York) | 3,748.97 mi (6,033.39 km) |
| Echternach to Slidell (Louisiana) | 4,907.71 mi (7,898.19 km) |
| Echternach to Smithfield (North Carolina) | 4,183.76 mi (6,733.11 km) |
| Echternach to Smithfield (Utah) | 5,086.79 mi (8,186.39 km) |
| Echternach to Smithville (Missouri) | 4,633.78 mi (7,457.34 km) |
