| Rhyl to San Luis Obispo (California) | 5,258.05 mi (8,462.02 km) |
| Rhyl to San Marcos (California) | 5,269.64 mi (8,480.66 km) |
| Rhyl to San Marcos (Texas) | 4,763.81 mi (7,666.61 km) |
| Rhyl to San Marino (California) | 5,243.51 mi (8,438.61 km) |
| Rhyl to San Mateo (California) | 5,175.40 mi (8,328.99 km) |
| Rhyl to San Pablo (California) | 5,152.46 mi (8,292.08 km) |
| Rhyl to San Rafael (California) | 5,156.16 mi (8,298.03 km) |
| Rhyl to San Ramon (California) | 5,152.04 mi (8,291.41 km) |
| Rhyl to San Tan Valley (Arizona) | 5,079.61 mi (8,174.84 km) |
| Rhyl to Sand Springs (Oklahoma) | 4,367.75 mi (7,029.21 km) |
| Rhyl to Sandusky (Ohio) | 3,598.25 mi (5,790.82 km) |
| Rhyl to Sandy (Oregon) | 4,722.11 mi (7,599.49 km) |
| Rhyl to Sandy (Utah) | 4,681.24 mi (7,533.73 km) |
| Rhyl to Sandy Springs (Georgia) | 4,024.77 mi (6,477.24 km) |
| Rhyl to Sanford (Florida) | 4,159.77 mi (6,694.50 km) |
