| Arenys de Mar to Silver Firs (Washington) | 5,395.10 mi (8,682.58 km) |
| Arenys de Mar to Silver Spring (Maryland) | 4,039.99 mi (6,501.74 km) |
| Arenys de Mar to Silver Springs Shores (Florida) | 4,654.73 mi (7,491.06 km) |
| Arenys de Mar to Silverdale (Washington) | 5,421.23 mi (8,724.62 km) |
| Arenys de Mar to Silverton (Oregon) | 5,568.36 mi (8,961.41 km) |
| Arenys de Mar to Simi Valley (California) | 6,010.32 mi (9,672.68 km) |
| Arenys de Mar to Simpsonville (South Carolina) | 4,442.35 mi (7,149.27 km) |
| Arenys de Mar to Sioux City (Iowa) | 4,749.32 mi (7,643.29 km) |
| Arenys de Mar to Sioux Falls (South Dakota) | 4,719.13 mi (7,594.70 km) |
| Arenys de Mar to Skokie (Illinois) | 4,407.78 mi (7,093.64 km) |
| Arenys de Mar to Sleepy Hollow (New York) | 3,824.24 mi (6,154.51 km) |
| Arenys de Mar to Slidell (Louisiana) | 4,977.11 mi (8,009.88 km) |
| Arenys de Mar to Smithfield (North Carolina) | 4,228.16 mi (6,804.57 km) |
| Arenys de Mar to Smithfield (Utah) | 5,370.10 mi (8,642.34 km) |
| Arenys de Mar to Smithville (Missouri) | 4,805.02 mi (7,732.92 km) |
