| San Giovanni Rotondo to Silver Firs (Washington) | 5,735.30 mi (9,230.07 km) |
| San Giovanni Rotondo to Silver Spring (Maryland) | 4,629.00 mi (7,449.65 km) |
| San Giovanni Rotondo to Silver Springs Shores (Florida) | 5,276.42 mi (8,491.58 km) |
| San Giovanni Rotondo to Silverdale (Washington) | 5,759.51 mi (9,269.03 km) |
| San Giovanni Rotondo to Silverton (Oregon) | 5,921.47 mi (9,529.69 km) |
| San Giovanni Rotondo to Simi Valley (California) | 6,447.36 mi (10,376.02 km) |
| San Giovanni Rotondo to Simpsonville (South Carolina) | 5,038.40 mi (8,108.52 km) |
| San Giovanni Rotondo to Sioux City (Iowa) | 5,250.52 mi (8,449.89 km) |
| San Giovanni Rotondo to Sioux Falls (South Dakota) | 5,212.23 mi (8,388.27 km) |
| San Giovanni Rotondo to Skokie (Illinois) | 4,944.65 mi (7,957.65 km) |
| San Giovanni Rotondo to Sleepy Hollow (New York) | 4,409.84 mi (7,096.95 km) |
| San Giovanni Rotondo to Slidell (Louisiana) | 5,570.04 mi (8,964.12 km) |
| San Giovanni Rotondo to Smithfield (North Carolina) | 4,831.74 mi (7,775.94 km) |
| San Giovanni Rotondo to Smithfield (Utah) | 5,803.61 mi (9,340.00 km) |
| San Giovanni Rotondo to Smithville (Missouri) | 5,332.55 mi (8,581.92 km) |
