| Ardea to Silver Firs (Washington) | 5,663.56 mi (9,114.61 km) |
| Ardea to Silver Spring (Maryland) | 4,492.29 mi (7,229.64 km) |
| Ardea to Silver Springs Shores (Florida) | 5,131.41 mi (8,258.21 km) |
| Ardea to Silverdale (Washington) | 5,688.30 mi (9,154.43 km) |
| Ardea to Silverton (Oregon) | 5,846.87 mi (9,409.63 km) |
| Ardea to Simi Valley (California) | 6,352.34 mi (10,223.11 km) |
| Ardea to Simpsonville (South Carolina) | 4,900.17 mi (7,886.07 km) |
| Ardea to Sioux City (Iowa) | 5,137.18 mi (8,267.50 km) |
| Ardea to Sioux Falls (South Dakota) | 5,100.90 mi (8,209.11 km) |
| Ardea to Skokie (Illinois) | 4,821.77 mi (7,759.89 km) |
| Ardea to Sleepy Hollow (New York) | 4,273.81 mi (6,878.03 km) |
| Ardea to Slidell (Louisiana) | 5,433.05 mi (8,743.66 km) |
| Ardea to Smithfield (North Carolina) | 4,691.36 mi (7,550.01 km) |
| Ardea to Smithfield (Utah) | 5,708.42 mi (9,186.81 km) |
| Ardea to Smithville (Missouri) | 5,212.56 mi (8,388.80 km) |
