| River Grove to Silver Firs (Washington) | 1,713.60 mi (2,757.78 km) |
| River Grove to Silver Spring (Maryland) | 602.88 mi (970.24 km) |
| River Grove to Silver Springs Shores (Florida) | 943.22 mi (1,517.96 km) |
| River Grove to Silverdale (Washington) | 1,738.22 mi (2,797.39 km) |
| River Grove to Silverton (Oregon) | 1,751.45 mi (2,818.68 km) |
| River Grove to Simi Valley (California) | 1,751.18 mi (2,818.25 km) |
| River Grove to Simpsonville (South Carolina) | 581.65 mi (936.07 km) |
| River Grove to Sioux City (Iowa) | 439.26 mi (706.92 km) |
| River Grove to Sioux Falls (South Dakota) | 464.68 mi (747.84 km) |
| River Grove to Skokie (Illinois) | 9.21 mi (14.82 km) |
| River Grove to Sleepy Hollow (New York) | 724.06 mi (1,165.27 km) |
| River Grove to Slidell (Louisiana) | 811.17 mi (1,305.46 km) |
| River Grove to Smithfield (North Carolina) | 675.88 mi (1,087.72 km) |
| River Grove to Smithfield (Utah) | 1,230.02 mi (1,979.52 km) |
| River Grove to Smithville (Missouri) | 393.92 mi (633.96 km) |
