| Waterford to Silver Firs (Washington) | 4,534.29 mi (7,297.24 km) |
| Waterford to Silver Spring (Maryland) | 3,358.45 mi (5,404.90 km) |
| Waterford to Silver Springs Shores (Florida) | 4,034.19 mi (6,492.39 km) |
| Waterford to Silverdale (Washington) | 4,560.15 mi (7,338.85 km) |
| Waterford to Silverton (Oregon) | 4,710.25 mi (7,580.41 km) |
| Waterford to Simi Valley (California) | 5,181.91 mi (8,339.47 km) |
| Waterford to Simpsonville (South Carolina) | 3,770.88 mi (6,068.65 km) |
| Waterford to Sioux City (Iowa) | 3,960.13 mi (6,373.21 km) |
| Waterford to Sioux Falls (South Dakota) | 3,923.36 mi (6,314.04 km) |
| Waterford to Skokie (Illinois) | 3,652.78 mi (5,878.59 km) |
| Waterford to Sleepy Hollow (New York) | 3,138.16 mi (5,050.38 km) |
| Waterford to Slidell (Louisiana) | 4,297.49 mi (6,916.14 km) |
| Waterford to Smithfield (North Carolina) | 3,572.26 mi (5,749.01 km) |
| Waterford to Smithfield (Utah) | 4,538.56 mi (7,304.10 km) |
| Waterford to Smithville (Missouri) | 4,040.01 mi (6,501.77 km) |
