| Rhyl to Somersworth (New Hampshire) | 3,055.13 mi (4,916.76 km) |
| Rhyl to Somerton (Arizona) | 5,218.24 mi (8,397.95 km) |
| Rhyl to Somerville (Massachusetts) | 3,100.52 mi (4,989.81 km) |
| Rhyl to Somerville (New Jersey) | 3,320.63 mi (5,344.04 km) |
| Rhyl to Sonoma (California) | 5,136.92 mi (8,267.07 km) |
| Rhyl to Soquel (California) | 5,196.72 mi (8,363.32 km) |
| Rhyl to South Bend (Indiana) | 3,723.79 mi (5,992.86 km) |
| Rhyl to South Bradenton (Florida) | 4,281.22 mi (6,889.96 km) |
| Rhyl to South Burlington (Vermont) | 3,096.49 mi (4,983.31 km) |
| Rhyl to South Charleston (West Virginia) | 3,705.22 mi (5,962.98 km) |
| Rhyl to South Daytona (Florida) | 4,129.54 mi (6,645.85 km) |
| Rhyl to South El Monte (California) | 5,245.62 mi (8,442.01 km) |
| Rhyl to South Elgin (Illinois) | 3,785.88 mi (6,092.79 km) |
| Rhyl to South Euclid (Ohio) | 3,549.22 mi (5,711.91 km) |
| Rhyl to South Farmingdale (New York) | 3,267.61 mi (5,258.71 km) |
