| Rio Rico to Silver Firs (Washington) | 1,274.11 mi (2,050.49 km) |
| Rio Rico to Silver Spring (Maryland) | 1,973.01 mi (3,175.26 km) |
| Rio Rico to Silver Springs Shores (Florida) | 1,731.16 mi (2,786.03 km) |
| Rio Rico to Silverdale (Washington) | 1,275.81 mi (2,053.21 km) |
| Rio Rico to Silverton (Oregon) | 1,128.89 mi (1,816.77 km) |
| Rio Rico to Simi Valley (California) | 489.12 mi (787.16 km) |
| Rio Rico to Simpsonville (South Carolina) | 1,671.97 mi (2,690.78 km) |
| Rio Rico to Sioux City (Iowa) | 1,104.52 mi (1,777.55 km) |
| Rio Rico to Sioux Falls (South Dakota) | 1,138.23 mi (1,831.80 km) |
| Rio Rico to Skokie (Illinois) | 1,471.56 mi (2,368.24 km) |
| Rio Rico to Sleepy Hollow (New York) | 2,152.25 mi (3,463.71 km) |
| Rio Rico to Slidell (Louisiana) | 1,258.12 mi (2,024.75 km) |
| Rio Rico to Smithfield (North Carolina) | 1,892.09 mi (3,045.02 km) |
| Rio Rico to Smithfield (Utah) | 715.87 mi (1,152.08 km) |
| Rio Rico to Smithville (Missouri) | 1,070.47 mi (1,722.75 km) |
