| San Felice sul Panaro to Silver Firs (Washington) | 5,434.70 mi (8,746.31 km) |
| San Felice sul Panaro to Silver Spring (Maryland) | 4,319.67 mi (6,951.84 km) |
| San Felice sul Panaro to Silver Springs Shores (Florida) | 4,974.99 mi (8,006.47 km) |
| San Felice sul Panaro to Silverdale (Washington) | 5,459.28 mi (8,785.86 km) |
| San Felice sul Panaro to Silverton (Oregon) | 5,619.02 mi (9,042.93 km) |
| San Felice sul Panaro to Simi Valley (California) | 6,134.50 mi (9,872.53 km) |
| San Felice sul Panaro to Simpsonville (South Carolina) | 4,730.10 mi (7,612.36 km) |
| San Felice sul Panaro to Sioux City (Iowa) | 4,933.74 mi (7,940.09 km) |
| San Felice sul Panaro to Sioux Falls (South Dakota) | 4,895.54 mi (7,878.61 km) |
| San Felice sul Panaro to Skokie (Illinois) | 4,628.79 mi (7,449.32 km) |
| San Felice sul Panaro to Sleepy Hollow (New York) | 4,100.10 mi (6,598.48 km) |
| San Felice sul Panaro to Slidell (Louisiana) | 5,260.57 mi (8,466.07 km) |
| San Felice sul Panaro to Smithfield (North Carolina) | 4,525.46 mi (7,283.02 km) |
| San Felice sul Panaro to Smithfield (Utah) | 5,490.60 mi (8,836.26 km) |
| San Felice sul Panaro to Smithville (Missouri) | 5,016.14 mi (8,072.70 km) |
