| Calexico to Silver Firs (Washington) | 1,104.81 mi (1,778.02 km) |
| Calexico to Silver Spring (Maryland) | 2,181.85 mi (3,511.34 km) |
| Calexico to Silver Springs Shores (Florida) | 1,991.96 mi (3,205.75 km) |
| Calexico to Silverdale (Washington) | 1,101.28 mi (1,772.33 km) |
| Calexico to Silverton (Oregon) | 936.10 mi (1,506.51 km) |
| Calexico to Simi Valley (California) | 217.06 mi (349.32 km) |
| Calexico to Simpsonville (South Carolina) | 1,906.98 mi (3,069.00 km) |
| Calexico to Sioux City (Iowa) | 1,241.88 mi (1,998.62 km) |
| Calexico to Sioux Falls (South Dakota) | 1,261.15 mi (2,029.62 km) |
| Calexico to Skokie (Illinois) | 1,646.06 mi (2,649.07 km) |
| Calexico to Sleepy Hollow (New York) | 2,348.62 mi (3,779.74 km) |
| Calexico to Slidell (Louisiana) | 1,520.22 mi (2,446.55 km) |
| Calexico to Smithfield (North Carolina) | 2,121.69 mi (3,414.53 km) |
| Calexico to Smithfield (Utah) | 663.42 mi (1,067.67 km) |
| Calexico to Smithville (Missouri) | 1,253.59 mi (2,017.46 km) |
