| Lewiston to Silver Firs (Washington) | 2,462.05 mi (3,962.28 km) |
| Lewiston to Silver Spring (Maryland) | 498.84 mi (802.80 km) |
| Lewiston to Silver Springs Shores (Florida) | 1,223.03 mi (1,968.28 km) |
| Lewiston to Silverdale (Washington) | 2,489.37 mi (4,006.26 km) |
| Lewiston to Silverton (Oregon) | 2,544.86 mi (4,095.56 km) |
| Lewiston to Simi Valley (California) | 2,648.37 mi (4,262.14 km) |
| Lewiston to Simpsonville (South Carolina) | 911.87 mi (1,467.52 km) |
| Lewiston to Sioux City (Iowa) | 1,317.69 mi (2,120.61 km) |
| Lewiston to Sioux Falls (South Dakota) | 1,319.11 mi (2,122.90 km) |
| Lewiston to Skokie (Illinois) | 896.53 mi (1,442.83 km) |
| Lewiston to Sleepy Hollow (New York) | 279.94 mi (450.53 km) |
| Lewiston to Slidell (Louisiana) | 1,433.70 mi (2,307.32 km) |
| Lewiston to Smithfield (North Carolina) | 733.94 mi (1,181.16 km) |
| Lewiston to Smithfield (Utah) | 2,089.56 mi (3,362.82 km) |
| Lewiston to Smithville (Missouri) | 1,294.20 mi (2,082.82 km) |
