| Elk Plain to Silver Firs (Washington) | 57.62 mi (92.73 km) |
| Elk Plain to Silver Spring (Maryland) | 2,322.41 mi (3,737.56 km) |
| Elk Plain to Silver Springs Shores (Florida) | 2,482.15 mi (3,994.64 km) |
| Elk Plain to Silverdale (Washington) | 45.58 mi (73.35 km) |
| Elk Plain to Silverton (Oregon) | 142.31 mi (229.03 km) |
| Elk Plain to Simi Valley (California) | 902.62 mi (1,452.62 km) |
| Elk Plain to Simpsonville (South Carolina) | 2,231.60 mi (3,591.42 km) |
| Elk Plain to Sioux City (Iowa) | 1,305.77 mi (2,101.43 km) |
| Elk Plain to Sioux Falls (South Dakota) | 1,263.38 mi (2,033.21 km) |
| Elk Plain to Skokie (Illinois) | 1,725.19 mi (2,776.43 km) |
| Elk Plain to Sleepy Hollow (New York) | 2,402.80 mi (3,866.94 km) |
| Elk Plain to Slidell (Louisiana) | 2,081.40 mi (3,349.69 km) |
| Elk Plain to Smithfield (North Carolina) | 2,384.39 mi (3,837.31 km) |
| Elk Plain to Smithfield (Utah) | 631.44 mi (1,016.21 km) |
| Elk Plain to Smithville (Missouri) | 1,486.24 mi (2,391.87 km) |
