| Herstal to Silver Firs (Washington) | 4,957.98 mi (7,979.09 km) |
| Herstal to Silver Spring (Maryland) | 3,914.05 mi (6,299.05 km) |
| Herstal to Silver Springs Shores (Florida) | 4,593.45 mi (7,392.45 km) |
| Herstal to Silverdale (Washington) | 4,982.57 mi (8,018.67 km) |
| Herstal to Silverton (Oregon) | 5,142.29 mi (8,275.72 km) |
| Herstal to Simi Valley (California) | 5,663.58 mi (9,114.66 km) |
| Herstal to Simpsonville (South Carolina) | 4,326.94 mi (6,963.54 km) |
| Herstal to Sioux City (Iowa) | 4,479.97 mi (7,209.81 km) |
| Herstal to Sioux Falls (South Dakota) | 4,439.33 mi (7,144.41 km) |
| Herstal to Skokie (Illinois) | 4,190.18 mi (6,743.45 km) |
| Herstal to Sleepy Hollow (New York) | 3,693.64 mi (5,944.34 km) |
| Herstal to Slidell (Louisiana) | 4,851.57 mi (7,807.86 km) |
| Herstal to Smithfield (North Carolina) | 4,130.10 mi (6,646.75 km) |
| Herstal to Smithfield (Utah) | 5,019.95 mi (8,078.84 km) |
| Herstal to Smithville (Missouri) | 4,571.79 mi (7,357.58 km) |
