| Santa Coloma de Farnes to Silver Firs (Washington) | 5,382.44 mi (8,662.19 km) |
| Santa Coloma de Farnes to Silver Spring (Maryland) | 4,036.75 mi (6,496.52 km) |
| Santa Coloma de Farnes to Silver Springs Shores (Florida) | 4,653.84 mi (7,489.63 km) |
| Santa Coloma de Farnes to Silverdale (Washington) | 5,408.52 mi (8,704.17 km) |
| Santa Coloma de Farnes to Silverton (Oregon) | 5,556.11 mi (8,941.69 km) |
| Santa Coloma de Farnes to Simi Valley (California) | 6,000.81 mi (9,657.37 km) |
| Santa Coloma de Farnes to Simpsonville (South Carolina) | 4,439.65 mi (7,144.93 km) |
| Santa Coloma de Farnes to Sioux City (Iowa) | 4,741.88 mi (7,631.31 km) |
| Santa Coloma de Farnes to Sioux Falls (South Dakota) | 4,711.34 mi (7,582.16 km) |
| Santa Coloma de Farnes to Skokie (Illinois) | 4,401.83 mi (7,084.06 km) |
| Santa Coloma de Farnes to Sleepy Hollow (New York) | 3,820.73 mi (6,148.87 km) |
| Santa Coloma de Farnes to Slidell (Louisiana) | 4,974.33 mi (8,005.41 km) |
| Santa Coloma de Farnes to Smithfield (North Carolina) | 4,225.90 mi (6,800.93 km) |
| Santa Coloma de Farnes to Smithfield (Utah) | 5,360.28 mi (8,626.53 km) |
| Santa Coloma de Farnes to Smithville (Missouri) | 4,798.74 mi (7,722.83 km) |
