| Silleda to Silver Firs (Washington) | 4,999.73 mi (8,046.28 km) |
| Silleda to Silver Spring (Maryland) | 3,502.67 mi (5,637.00 km) |
| Silleda to Silver Springs Shores (Florida) | 4,103.08 mi (6,603.26 km) |
| Silleda to Silverdale (Washington) | 5,026.82 mi (8,089.88 km) |
| Silleda to Silverton (Oregon) | 5,162.08 mi (8,307.57 km) |
| Silleda to Simi Valley (California) | 5,546.24 mi (8,925.81 km) |
| Silleda to Simpsonville (South Carolina) | 3,900.69 mi (6,277.55 km) |
| Silleda to Sioux City (Iowa) | 4,256.48 mi (6,850.14 km) |
| Silleda to Sioux Falls (South Dakota) | 4,231.37 mi (6,809.73 km) |
| Silleda to Skokie (Illinois) | 3,896.34 mi (6,270.55 km) |
| Silleda to Sleepy Hollow (New York) | 3,289.35 mi (5,293.70 km) |
| Silleda to Slidell (Louisiana) | 4,435.52 mi (7,138.29 km) |
| Silleda to Smithfield (North Carolina) | 3,683.81 mi (5,928.51 km) |
| Silleda to Smithfield (Utah) | 4,913.73 mi (7,907.89 km) |
| Silleda to Smithville (Missouri) | 4,296.57 mi (6,914.67 km) |
