| Sitges to Silver Firs (Washington) | 5,393.03 mi (8,679.24 km) |
| Sitges to Silver Spring (Maryland) | 4,015.92 mi (6,463.00 km) |
| Sitges to Silver Springs Shores (Florida) | 4,626.26 mi (7,445.24 km) |
| Sitges to Silverdale (Washington) | 5,419.27 mi (8,721.48 km) |
| Sitges to Silverton (Oregon) | 5,565.11 mi (8,956.18 km) |
| Sitges to Simi Valley (California) | 5,999.81 mi (9,655.75 km) |
| Sitges to Simpsonville (South Carolina) | 4,417.21 mi (7,108.81 km) |
| Sitges to Sioux City (Iowa) | 4,734.01 mi (7,618.65 km) |
| Sitges to Sioux Falls (South Dakota) | 4,704.61 mi (7,571.33 km) |
| Sitges to Skokie (Illinois) | 4,389.19 mi (7,063.72 km) |
| Sitges to Sleepy Hollow (New York) | 3,800.71 mi (6,116.65 km) |
| Sitges to Slidell (Louisiana) | 4,952.06 mi (7,969.57 km) |
| Sitges to Smithfield (North Carolina) | 4,202.21 mi (6,762.81 km) |
| Sitges to Smithfield (Utah) | 5,360.41 mi (8,626.75 km) |
| Sitges to Smithville (Missouri) | 4,787.09 mi (7,704.07 km) |
