| Formigine to Silver Firs (Washington) | 5,443.51 mi (8,760.48 km) |
| Formigine to Silver Spring (Maryland) | 4,318.48 mi (6,949.93 km) |
| Formigine to Silver Springs Shores (Florida) | 4,972.00 mi (8,001.67 km) |
| Formigine to Silverdale (Washington) | 5,468.14 mi (8,800.13 km) |
| Formigine to Silverton (Oregon) | 5,627.48 mi (9,056.56 km) |
| Formigine to Simi Valley (California) | 6,140.40 mi (9,882.02 km) |
| Formigine to Simpsonville (South Carolina) | 4,728.64 mi (7,610.02 km) |
| Formigine to Sioux City (Iowa) | 4,936.91 mi (7,945.19 km) |
| Formigine to Sioux Falls (South Dakota) | 4,899.03 mi (7,884.22 km) |
| Formigine to Skokie (Illinois) | 4,630.33 mi (7,451.79 km) |
| Formigine to Sleepy Hollow (New York) | 4,099.02 mi (6,596.74 km) |
| Formigine to Slidell (Louisiana) | 5,259.45 mi (8,464.27 km) |
| Formigine to Smithfield (North Carolina) | 4,523.49 mi (7,279.85 km) |
| Formigine to Smithfield (Utah) | 5,496.47 mi (8,845.71 km) |
| Formigine to Smithville (Missouri) | 5,018.21 mi (8,076.04 km) |
