| Radford to Smyrna (Delaware) | 307.71 mi (495.21 km) |
| Radford to Smyrna (Georgia) | 316.64 mi (509.58 km) |
| Radford to Smyrna (Tennessee) | 340.65 mi (548.23 km) |
| Radford to Snellville (Georgia) | 297.45 mi (478.70 km) |
| Radford to Snoqualmie (Washington) | 2,198.27 mi (3,537.77 km) |
| Radford to Snyder (Texas) | 1,190.04 mi (1,915.18 km) |
| Radford to Socastee (South Carolina) | 252.92 mi (407.04 km) |
| Radford to Socorro (Texas) | 1,508.62 mi (2,427.89 km) |
| Radford to Soddy-Daisy (Tennessee) | 287.79 mi (463.15 km) |
| Radford to Solana Beach (California) | 2,082.08 mi (3,350.78 km) |
| Radford to Soledad (California) | 2,239.72 mi (3,604.48 km) |
| Radford to Solon (Ohio) | 298.33 mi (480.12 km) |
| Radford to Somers Point (New Jersey) | 356.78 mi (574.19 km) |
| Radford to Somerset (Kentucky) | 223.30 mi (359.36 km) |
| Radford to Somerset (New Jersey) | 401.17 mi (645.62 km) |
