| Foothill Farms to Silver Firs (Washington) | 635.33 mi (1,022.46 km) |
| Foothill Farms to Silver Spring (Maryland) | 2,361.26 mi (3,800.08 km) |
| Foothill Farms to Silver Springs Shores (Florida) | 2,331.02 mi (3,751.41 km) |
| Foothill Farms to Silverdale (Washington) | 624.04 mi (1,004.30 km) |
| Foothill Farms to Silverton (Oregon) | 442.58 mi (712.27 km) |
| Foothill Farms to Simi Valley (California) | 337.78 mi (543.60 km) |
| Foothill Farms to Simpsonville (South Carolina) | 2,166.04 mi (3,485.90 km) |
| Foothill Farms to Sioux City (Iowa) | 1,330.54 mi (2,141.29 km) |
| Foothill Farms to Sioux Falls (South Dakota) | 1,319.18 mi (2,123.02 km) |
| Foothill Farms to Skokie (Illinois) | 1,772.88 mi (2,853.17 km) |
| Foothill Farms to Sleepy Hollow (New York) | 2,491.08 mi (4,009.01 km) |
| Foothill Farms to Slidell (Louisiana) | 1,878.13 mi (3,022.56 km) |
| Foothill Farms to Smithfield (North Carolina) | 2,357.98 mi (3,794.81 km) |
| Foothill Farms to Smithfield (Utah) | 546.70 mi (879.83 km) |
| Foothill Farms to Smithville (Missouri) | 1,432.34 mi (2,305.12 km) |
