| Pirot to Silver Firs (Washington) | 5,791.84 mi (9,321.07 km) |
| Pirot to Silver Spring (Maryland) | 4,862.55 mi (7,825.52 km) |
| Pirot to Silver Springs Shores (Florida) | 5,533.72 mi (8,905.67 km) |
| Pirot to Silverdale (Washington) | 5,814.62 mi (9,357.73 km) |
| Pirot to Silverton (Oregon) | 5,983.86 mi (9,630.09 km) |
| Pirot to Simi Valley (California) | 6,557.98 mi (10,554.05 km) |
| Pirot to Simpsonville (South Carolina) | 5,275.04 mi (8,489.36 km) |
| Pirot to Sioux City (Iowa) | 5,415.44 mi (8,715.30 km) |
| Pirot to Sioux Falls (South Dakota) | 5,371.93 mi (8,645.29 km) |
| Pirot to Skokie (Illinois) | 5,137.12 mi (8,267.39 km) |
| Pirot to Sleepy Hollow (New York) | 4,642.23 mi (7,470.94 km) |
| Pirot to Slidell (Louisiana) | 5,801.10 mi (9,335.96 km) |
| Pirot to Smithfield (North Carolina) | 5,075.74 mi (8,168.61 km) |
| Pirot to Smithfield (Utah) | 5,918.08 mi (9,524.23 km) |
| Pirot to Smithville (Missouri) | 5,515.29 mi (8,875.99 km) |
