| Radford to Superior (Colorado) | 1,339.44 mi (2,155.62 km) |
| Radford to Superior (Wisconsin) | 886.07 mi (1,425.98 km) |
| Radford to Surprise (Arizona) | 1,803.28 mi (2,902.09 km) |
| Radford to Susanville (California) | 2,151.18 mi (3,461.99 km) |
| Radford to Sussex (Wisconsin) | 579.55 mi (932.70 km) |
| Radford to Suwanee (Georgia) | 289.69 mi (466.22 km) |
| Radford to Swansea (Illinois) | 523.53 mi (842.55 km) |
| Radford to Sweetwater (Florida) | 783.90 mi (1,261.56 km) |
| Radford to Sweetwater (Texas) | 1,168.78 mi (1,880.97 km) |
| Radford to Sycamore (Illinois) | 547.84 mi (881.66 km) |
| Radford to Sylacauga (Alabama) | 421.81 mi (678.83 km) |
| Radford to Sylvania (Ohio) | 358.72 mi (577.31 km) |
| Radford to Syosset (New York) | 456.71 mi (735.00 km) |
| Radford to Syracuse (New York) | 470.63 mi (757.41 km) |
| Radford to Syracuse (Utah) | 1,702.05 mi (2,739.19 km) |
