| Casale Monferrato to Silver Firs (Washington) | 5,350.31 mi (8,610.50 km) |
| Casale Monferrato to Silver Spring (Maryland) | 4,194.44 mi (6,750.30 km) |
| Casale Monferrato to Silver Springs Shores (Florida) | 4,846.13 mi (7,799.09 km) |
| Casale Monferrato to Silverdale (Washington) | 5,375.25 mi (8,650.63 km) |
| Casale Monferrato to Silverton (Oregon) | 5,532.54 mi (8,903.77 km) |
| Casale Monferrato to Simi Valley (California) | 6,034.18 mi (9,711.07 km) |
| Casale Monferrato to Simpsonville (South Carolina) | 4,604.24 mi (7,409.82 km) |
| Casale Monferrato to Sioux City (Iowa) | 4,821.86 mi (7,760.03 km) |
| Casale Monferrato to Sioux Falls (South Dakota) | 4,784.90 mi (7,700.55 km) |
| Casale Monferrato to Skokie (Illinois) | 4,511.16 mi (7,260.00 km) |
| Casale Monferrato to Sleepy Hollow (New York) | 3,975.14 mi (6,397.36 km) |
| Casale Monferrato to Slidell (Louisiana) | 5,135.47 mi (8,264.74 km) |
| Casale Monferrato to Smithfield (North Carolina) | 4,398.51 mi (7,078.72 km) |
| Casale Monferrato to Smithfield (Utah) | 5,390.25 mi (8,674.78 km) |
| Casale Monferrato to Smithville (Missouri) | 4,900.26 mi (7,886.21 km) |
