| Campiglia Marittima to Silver Firs (Washington) | 5,527.81 mi (8,896.16 km) |
| Campiglia Marittima to Silver Spring (Maryland) | 4,356.56 mi (7,011.21 km) |
| Campiglia Marittima to Silver Springs Shores (Florida) | 5,000.07 mi (8,046.84 km) |
| Campiglia Marittima to Silverdale (Washington) | 5,552.68 mi (8,936.18 km) |
| Campiglia Marittima to Silverton (Oregon) | 5,710.40 mi (9,190.01 km) |
| Campiglia Marittima to Simi Valley (California) | 6,212.35 mi (9,997.80 km) |
| Campiglia Marittima to Simpsonville (South Carolina) | 4,765.13 mi (7,668.73 km) |
| Campiglia Marittima to Sioux City (Iowa) | 4,996.66 mi (8,041.35 km) |
| Campiglia Marittima to Sioux Falls (South Dakota) | 4,960.30 mi (7,982.83 km) |
| Campiglia Marittima to Skokie (Illinois) | 4,682.24 mi (7,535.34 km) |
| Campiglia Marittima to Sleepy Hollow (New York) | 4,137.79 mi (6,659.13 km) |
| Campiglia Marittima to Slidell (Louisiana) | 5,297.51 mi (8,525.52 km) |
| Campiglia Marittima to Smithfield (North Carolina) | 4,557.32 mi (7,334.30 km) |
| Campiglia Marittima to Smithfield (Utah) | 5,568.44 mi (8,961.54 km) |
| Campiglia Marittima to Smithville (Missouri) | 5,072.63 mi (8,163.61 km) |
