| Foix to Silver Firs (Washington) | 5,289.05 mi (8,511.91 km) |
| Foix to Silver Spring (Maryland) | 3,955.12 mi (6,365.15 km) |
| Foix to Silver Springs Shores (Florida) | 4,577.99 mi (7,367.56 km) |
| Foix to Silverdale (Washington) | 5,315.14 mi (8,553.88 km) |
| Foix to Silverton (Oregon) | 5,462.72 mi (8,791.40 km) |
| Foix to Simi Valley (California) | 5,908.83 mi (9,509.34 km) |
| Foix to Simpsonville (South Carolina) | 4,359.22 mi (7,015.49 km) |
| Foix to Sioux City (Iowa) | 4,652.35 mi (7,487.24 km) |
| Foix to Sioux Falls (South Dakota) | 4,621.34 mi (7,437.32 km) |
| Foix to Skokie (Illinois) | 4,314.70 mi (6,943.83 km) |
| Foix to Sleepy Hollow (New York) | 3,738.52 mi (6,016.56 km) |
| Foix to Slidell (Louisiana) | 4,893.67 mi (7,875.59 km) |
| Foix to Smithfield (North Carolina) | 4,146.56 mi (6,673.25 km) |
| Foix to Smithfield (Utah) | 5,268.04 mi (8,478.10 km) |
| Foix to Smithville (Missouri) | 4,711.03 mi (7,581.67 km) |
