| Petrila to Silver Firs (Washington) | 5,661.34 mi (9,111.05 km) |
| Petrila to Silver Spring (Maryland) | 4,804.08 mi (7,731.43 km) |
| Petrila to Silver Springs Shores (Florida) | 5,487.43 mi (8,831.17 km) |
| Petrila to Silverdale (Washington) | 5,683.69 mi (9,147.01 km) |
| Petrila to Silverton (Oregon) | 5,854.71 mi (9,422.25 km) |
| Petrila to Simi Valley (California) | 6,442.86 mi (10,368.77 km) |
| Petrila to Simpsonville (South Carolina) | 5,217.32 mi (8,396.46 km) |
| Petrila to Sioux City (Iowa) | 5,322.94 mi (8,566.45 km) |
| Petrila to Sioux Falls (South Dakota) | 5,277.37 mi (8,493.11 km) |
| Petrila to Skokie (Illinois) | 5,057.36 mi (8,139.03 km) |
| Petrila to Sleepy Hollow (New York) | 4,583.67 mi (7,376.71 km) |
| Petrila to Slidell (Louisiana) | 5,739.17 mi (9,236.30 km) |
| Petrila to Smithfield (North Carolina) | 5,022.61 mi (8,083.11 km) |
| Petrila to Smithfield (Utah) | 5,805.40 mi (9,342.89 km) |
| Petrila to Smithville (Missouri) | 5,430.27 mi (8,739.18 km) |
