| Grass Valley to Silver Firs (Washington) | 599.45 mi (964.73 km) |
| Grass Valley to Silver Spring (Maryland) | 2,336.66 mi (3,760.50 km) |
| Grass Valley to Silver Springs Shores (Florida) | 2,318.39 mi (3,731.08 km) |
| Grass Valley to Silverdale (Washington) | 588.99 mi (947.89 km) |
| Grass Valley to Silverton (Oregon) | 408.99 mi (658.20 km) |
| Grass Valley to Simi Valley (California) | 365.46 mi (588.15 km) |
| Grass Valley to Simpsonville (South Carolina) | 2,147.28 mi (3,455.71 km) |
| Grass Valley to Sioux City (Iowa) | 1,303.63 mi (2,097.99 km) |
| Grass Valley to Sioux Falls (South Dakota) | 1,290.61 mi (2,077.04 km) |
| Grass Valley to Skokie (Illinois) | 1,746.45 mi (2,810.64 km) |
| Grass Valley to Sleepy Hollow (New York) | 2,464.04 mi (3,965.48 km) |
| Grass Valley to Slidell (Louisiana) | 1,868.25 mi (3,006.66 km) |
| Grass Valley to Smithfield (North Carolina) | 2,337.18 mi (3,761.34 km) |
| Grass Valley to Smithfield (Utah) | 516.66 mi (831.49 km) |
| Grass Valley to Smithville (Missouri) | 1,410.45 mi (2,269.90 km) |
