| San Feliu de Guixols to Silver Firs (Washington) | 5,397.68 mi (8,686.72 km) |
| San Feliu de Guixols to Silver Spring (Maryland) | 4,056.11 mi (6,527.68 km) |
| San Feliu de Guixols to Silver Springs Shores (Florida) | 4,673.45 mi (7,521.19 km) |
| San Feliu de Guixols to Silverdale (Washington) | 5,423.72 mi (8,728.64 km) |
| San Feliu de Guixols to Silverton (Oregon) | 5,571.66 mi (8,966.71 km) |
| San Feliu de Guixols to Simi Valley (California) | 6,018.07 mi (9,685.15 km) |
| San Feliu de Guixols to Simpsonville (South Carolina) | 4,459.09 mi (7,176.22 km) |
| San Feliu de Guixols to Sioux City (Iowa) | 4,760.09 mi (7,660.62 km) |
| San Feliu de Guixols to Sioux Falls (South Dakota) | 4,729.41 mi (7,611.25 km) |
| San Feliu de Guixols to Skokie (Illinois) | 4,420.56 mi (7,114.21 km) |
| San Feliu de Guixols to Sleepy Hollow (New York) | 3,840.04 mi (6,179.96 km) |
| San Feliu de Guixols to Slidell (Louisiana) | 4,993.76 mi (8,036.69 km) |
| San Feliu de Guixols to Smithfield (North Carolina) | 4,245.40 mi (6,832.31 km) |
| San Feliu de Guixols to Smithfield (Utah) | 5,377.38 mi (8,654.06 km) |
| San Feliu de Guixols to Smithville (Missouri) | 4,817.37 mi (7,752.81 km) |
