| Redding to Silver Firs (Washington) | 504.06 mi (811.20 km) |
| Redding to Silver Spring (Maryland) | 2,383.11 mi (3,835.25 km) |
| Redding to Silver Springs Shores (Florida) | 2,397.20 mi (3,857.92 km) |
| Redding to Silverdale (Washington) | 490.57 mi (789.50 km) |
| Redding to Silverton (Oregon) | 307.03 mi (494.11 km) |
| Redding to Simi Valley (California) | 478.48 mi (770.04 km) |
| Redding to Simpsonville (South Carolina) | 2,211.40 mi (3,558.91 km) |
| Redding to Sioux City (Iowa) | 1,344.74 mi (2,164.15 km) |
| Redding to Sioux Falls (South Dakota) | 1,325.57 mi (2,133.30 km) |
| Redding to Skokie (Illinois) | 1,787.78 mi (2,877.16 km) |
| Redding to Sleepy Hollow (New York) | 2,501.78 mi (4,026.22 km) |
| Redding to Slidell (Louisiana) | 1,953.36 mi (3,143.63 km) |
| Redding to Smithfield (North Carolina) | 2,395.36 mi (3,854.96 km) |
| Redding to Smithfield (Utah) | 554.41 mi (892.23 km) |
| Redding to Smithville (Missouri) | 1,467.46 mi (2,361.65 km) |
