| Ridge to Superior (Colorado) | 1,689.50 mi (2,718.98 km) |
| Ridge to Superior (Wisconsin) | 1,034.24 mi (1,664.45 km) |
| Ridge to Surprise (Arizona) | 2,211.76 mi (3,559.49 km) |
| Ridge to Susanville (California) | 2,469.99 mi (3,975.06 km) |
| Ridge to Sussex (Wisconsin) | 801.15 mi (1,289.32 km) |
| Ridge to Suwanee (Georgia) | 773.93 mi (1,245.51 km) |
| Ridge to Swansea (Illinois) | 921.79 mi (1,483.48 km) |
| Ridge to Sweetwater (Florida) | 1,130.09 mi (1,818.71 km) |
| Ridge to Sweetwater (Texas) | 1,624.40 mi (2,614.22 km) |
| Ridge to Sycamore (Illinois) | 820.53 mi (1,320.52 km) |
| Ridge to Sylacauga (Alabama) | 909.08 mi (1,463.03 km) |
| Ridge to Sylvania (Ohio) | 564.31 mi (908.18 km) |
| Ridge to Syosset (New York) | 33.02 mi (53.15 km) |
| Ridge to Syracuse (New York) | 223.16 mi (359.15 km) |
| Ridge to Syracuse (Utah) | 2,026.07 mi (3,260.64 km) |
