| Parker to Silver Firs (Washington) | 1,038.79 mi (1,671.77 km) |
| Parker to Silver Spring (Maryland) | 1,479.41 mi (2,380.88 km) |
| Parker to Silver Springs Shores (Florida) | 1,478.16 mi (2,378.87 km) |
| Parker to Silverdale (Washington) | 1,054.85 mi (1,697.62 km) |
| Parker to Silverton (Oregon) | 993.26 mi (1,598.49 km) |
| Parker to Simi Valley (California) | 851.65 mi (1,370.60 km) |
| Parker to Simpsonville (South Carolina) | 1,280.05 mi (2,060.04 km) |
| Parker to Sioux City (Iowa) | 483.21 mi (777.65 km) |
| Parker to Sioux Falls (South Dakota) | 500.37 mi (805.26 km) |
| Parker to Skokie (Illinois) | 906.71 mi (1,459.21 km) |
| Parker to Sleepy Hollow (New York) | 1,623.57 mi (2,612.88 km) |
| Parker to Slidell (Louisiana) | 1,059.44 mi (1,705.00 km) |
| Parker to Smithfield (North Carolina) | 1,468.86 mi (2,363.91 km) |
| Parker to Smithfield (Utah) | 402.80 mi (648.24 km) |
| Parker to Smithville (Missouri) | 543.99 mi (875.47 km) |
