| Cecina to Silver Firs (Washington) | 5,510.34 mi (8,868.03 km) |
| Cecina to Silver Spring (Maryland) | 4,343.71 mi (6,990.52 km) |
| Cecina to Silver Springs Shores (Florida) | 4,988.54 mi (8,028.27 km) |
| Cecina to Silverdale (Washington) | 5,535.19 mi (8,908.03 km) |
| Cecina to Silverton (Oregon) | 5,693.02 mi (9,162.03 km) |
| Cecina to Simi Valley (California) | 6,195.84 mi (9,971.25 km) |
| Cecina to Simpsonville (South Carolina) | 4,752.49 mi (7,648.39 km) |
| Cecina to Sioux City (Iowa) | 4,981.33 mi (8,016.67 km) |
| Cecina to Sioux Falls (South Dakota) | 4,944.80 mi (7,957.89 km) |
| Cecina to Skokie (Illinois) | 4,667.75 mi (7,512.02 km) |
| Cecina to Sleepy Hollow (New York) | 4,124.84 mi (6,638.29 km) |
| Cecina to Slidell (Louisiana) | 5,284.70 mi (8,504.90 km) |
| Cecina to Smithfield (North Carolina) | 4,545.01 mi (7,314.49 km) |
| Cecina to Smithfield (Utah) | 5,551.93 mi (8,934.96 km) |
| Cecina to Smithville (Missouri) | 5,057.87 mi (8,139.86 km) |
