| Rhyl to Smyrna (Delaware) | 3,418.46 mi (5,501.49 km) |
| Rhyl to Smyrna (Georgia) | 4,034.24 mi (6,492.48 km) |
| Rhyl to Smyrna (Tennessee) | 4,009.02 mi (6,451.90 km) |
| Rhyl to Snellville (Georgia) | 4,014.18 mi (6,460.20 km) |
| Rhyl to Snoqualmie (Washington) | 4,589.40 mi (7,385.92 km) |
| Rhyl to Snyder (Texas) | 4,724.72 mi (7,603.70 km) |
| Rhyl to Socastee (South Carolina) | 3,822.03 mi (6,150.96 km) |
| Rhyl to Socorro (Texas) | 4,978.15 mi (8,011.55 km) |
| Rhyl to Soddy-Daisy (Tennessee) | 3,991.09 mi (6,423.04 km) |
| Rhyl to Solana Beach (California) | 5,280.38 mi (8,497.95 km) |
| Rhyl to Soledad (California) | 5,210.60 mi (8,385.66 km) |
| Rhyl to Solon (Ohio) | 3,552.25 mi (5,716.80 km) |
| Rhyl to Somers Point (New Jersey) | 3,377.28 mi (5,435.21 km) |
| Rhyl to Somerset (Kentucky) | 3,879.43 mi (6,243.34 km) |
| Rhyl to Somerset (New Jersey) | 3,319.07 mi (5,341.53 km) |
