| Torrelodones to Silver Firs (Washington) | 5,253.31 mi (8,454.39 km) |
| Torrelodones to Silver Spring (Maryland) | 3,763.95 mi (6,057.49 km) |
| Torrelodones to Silver Springs Shores (Florida) | 4,355.24 mi (7,009.08 km) |
| Torrelodones to Silverdale (Washington) | 5,280.23 mi (8,497.70 km) |
| Torrelodones to Silverton (Oregon) | 5,417.99 mi (8,719.42 km) |
| Torrelodones to Simi Valley (California) | 5,810.97 mi (9,351.85 km) |
| Torrelodones to Simpsonville (South Carolina) | 4,159.99 mi (6,694.85 km) |
| Torrelodones to Sioux City (Iowa) | 4,522.72 mi (7,278.62 km) |
| Torrelodones to Sioux Falls (South Dakota) | 4,497.47 mi (7,237.97 km) |
| Torrelodones to Skokie (Illinois) | 4,162.21 mi (6,698.44 km) |
| Torrelodones to Sleepy Hollow (New York) | 3,551.54 mi (5,715.65 km) |
| Torrelodones to Slidell (Louisiana) | 4,694.61 mi (7,555.24 km) |
| Torrelodones to Smithfield (North Carolina) | 3,941.84 mi (6,343.78 km) |
| Torrelodones to Smithfield (Utah) | 5,177.45 mi (8,332.30 km) |
| Torrelodones to Smithville (Missouri) | 4,562.58 mi (7,342.77 km) |
