| Castenaso to Silver Firs (Washington) | 5,462.50 mi (8,791.05 km) |
| Castenaso to Silver Spring (Maryland) | 4,344.88 mi (6,992.41 km) |
| Castenaso to Silver Springs Shores (Florida) | 4,998.94 mi (8,045.02 km) |
| Castenaso to Silverdale (Washington) | 5,487.07 mi (8,830.58 km) |
| Castenaso to Silverton (Oregon) | 5,646.87 mi (9,087.75 km) |
| Castenaso to Simi Valley (California) | 6,162.37 mi (9,917.38 km) |
| Castenaso to Simpsonville (South Carolina) | 4,755.13 mi (7,652.65 km) |
| Castenaso to Sioux City (Iowa) | 4,961.03 mi (7,984.00 km) |
| Castenaso to Sioux Falls (South Dakota) | 4,922.92 mi (7,922.68 km) |
| Castenaso to Skokie (Illinois) | 4,655.46 mi (7,492.24 km) |
| Castenaso to Sleepy Hollow (New York) | 4,125.37 mi (6,639.15 km) |
| Castenaso to Slidell (Louisiana) | 5,285.82 mi (8,506.71 km) |
| Castenaso to Smithfield (North Carolina) | 4,550.15 mi (7,322.76 km) |
| Castenaso to Smithfield (Utah) | 5,518.47 mi (8,881.11 km) |
| Castenaso to Smithville (Missouri) | 5,043.04 mi (8,115.98 km) |
