| River Falls to Silver Firs (Washington) | 1,414.14 mi (2,275.84 km) |
| River Falls to Silver Spring (Maryland) | 896.35 mi (1,442.53 km) |
| River Falls to Silver Springs Shores (Florida) | 1,233.14 mi (1,984.54 km) |
| River Falls to Silverdale (Washington) | 1,439.59 mi (2,316.79 km) |
| River Falls to Silverton (Oregon) | 1,466.50 mi (2,360.10 km) |
| River Falls to Simi Valley (California) | 1,562.55 mi (2,514.69 km) |
| River Falls to Simpsonville (South Carolina) | 888.96 mi (1,430.65 km) |
| River Falls to Sioux City (Iowa) | 249.16 mi (400.98 km) |
| River Falls to Sioux Falls (South Dakota) | 222.92 mi (358.75 km) |
| River Falls to Skokie (Illinois) | 313.16 mi (503.98 km) |
| River Falls to Sleepy Hollow (New York) | 980.53 mi (1,578.01 km) |
| River Falls to Slidell (Louisiana) | 1,018.62 mi (1,639.31 km) |
| River Falls to Smithfield (North Carolina) | 989.79 mi (1,592.92 km) |
| River Falls to Smithfield (Utah) | 984.69 mi (1,584.70 km) |
| River Falls to Smithville (Missouri) | 390.83 mi (628.97 km) |
