| Grass Valley to Superior (Colorado) | 846.68 mi (1,362.60 km) |
| Grass Valley to Superior (Wisconsin) | 1,542.69 mi (2,482.71 km) |
| Grass Valley to Surprise (Arizona) | 611.95 mi (984.84 km) |
| Grass Valley to Susanville (California) | 85.91 mi (138.26 km) |
| Grass Valley to Sussex (Wisconsin) | 1,717.25 mi (2,763.64 km) |
| Grass Valley to Suwanee (Georgia) | 2,066.73 mi (3,326.09 km) |
| Grass Valley to Swansea (Illinois) | 1,663.21 mi (2,676.67 km) |
| Grass Valley to Sweetwater (Florida) | 2,520.56 mi (4,056.45 km) |
| Grass Valley to Sweetwater (Texas) | 1,243.18 mi (2,000.70 km) |
| Grass Valley to Sycamore (Illinois) | 1,698.48 mi (2,733.43 km) |
| Grass Valley to Sylacauga (Alabama) | 1,971.57 mi (3,172.93 km) |
| Grass Valley to Sylvania (Ohio) | 1,955.03 mi (3,146.32 km) |
| Grass Valley to Syosset (New York) | 2,487.23 mi (4,002.81 km) |
| Grass Valley to Syracuse (New York) | 2,323.92 mi (3,739.99 km) |
| Grass Valley to Syracuse (Utah) | 491.23 mi (790.55 km) |
