| Idil to Silver Firs (Washington) | 6,468.16 mi (10,409.49 km) |
| Idil to Silver Spring (Maryland) | 5,889.39 mi (9,478.06 km) |
| Idil to Silver Springs Shores (Florida) | 6,584.68 mi (10,597.01 km) |
| Idil to Silverdale (Washington) | 6,486.80 mi (10,439.49 km) |
| Idil to Silverton (Oregon) | 6,667.63 mi (10,730.52 km) |
| Idil to Simi Valley (California) | 7,335.22 mi (11,804.89 km) |
| Idil to Simpsonville (South Carolina) | 6,302.56 mi (10,142.98 km) |
| Idil to Sioux City (Iowa) | 6,328.55 mi (10,184.81 km) |
| Idil to Sioux Falls (South Dakota) | 6,276.37 mi (10,100.83 km) |
| Idil to Skokie (Illinois) | 6,101.66 mi (9,819.68 km) |
| Idil to Sleepy Hollow (New York) | 5,669.44 mi (9,124.08 km) |
| Idil to Slidell (Louisiana) | 6,816.70 mi (10,970.42 km) |
| Idil to Smithfield (North Carolina) | 6,113.91 mi (9,839.38 km) |
| Idil to Smithfield (Utah) | 6,720.81 mi (10,816.10 km) |
| Idil to Smithville (Missouri) | 6,458.14 mi (10,393.37 km) |
