| Denver to Silver Firs (Washington) | 1,023.58 mi (1,647.30 km) |
| Denver to Silver Spring (Maryland) | 1,482.50 mi (2,385.85 km) |
| Denver to Silver Springs Shores (Florida) | 1,489.76 mi (2,397.54 km) |
| Denver to Silverdale (Washington) | 1,039.88 mi (1,673.52 km) |
| Denver to Silverton (Oregon) | 980.33 mi (1,577.68 km) |
| Denver to Simi Valley (California) | 853.08 mi (1,372.90 km) |
| Denver to Simpsonville (South Carolina) | 1,287.84 mi (2,072.58 km) |
| Denver to Sioux City (Iowa) | 480.04 mi (772.55 km) |
| Denver to Sioux Falls (South Dakota) | 494.56 mi (795.91 km) |
| Denver to Skokie (Illinois) | 907.01 mi (1,459.68 km) |
| Denver to Sleepy Hollow (New York) | 1,624.64 mi (2,614.61 km) |
| Denver to Slidell (Louisiana) | 1,073.39 mi (1,727.46 km) |
| Denver to Smithfield (North Carolina) | 1,475.05 mi (2,373.86 km) |
| Denver to Smithfield (Utah) | 390.60 mi (628.61 km) |
| Denver to Smithville (Missouri) | 548.88 mi (883.33 km) |
