| Rhyl to Oak Harbor (Washington) | 4,566.91 mi (7,349.73 km) |
| Rhyl to Oak Hills (Oregon) | 4,729.55 mi (7,611.48 km) |
| Rhyl to Oak Lawn (Illinois) | 3,777.97 mi (6,080.06 km) |
| Rhyl to Oak Park (California) | 5,260.78 mi (8,466.41 km) |
| Rhyl to Oak Park (Illinois) | 3,771.17 mi (6,069.10 km) |
| Rhyl to Oak Park (Michigan) | 3,569.86 mi (5,745.13 km) |
| Rhyl to Oak Ridge (Florida) | 4,181.71 mi (6,729.82 km) |
| Rhyl to Oak Ridge (New Jersey) | 3,295.45 mi (5,303.52 km) |
| Rhyl to Oak Ridge (Tennessee) | 3,921.61 mi (6,311.21 km) |
| Rhyl to Oakdale (California) | 5,119.44 mi (8,238.95 km) |
| Rhyl to Oakdale (Minnesota) | 3,813.64 mi (6,137.47 km) |
| Rhyl to Oakland (California) | 5,158.74 mi (8,302.18 km) |
| Rhyl to Oakland (New Jersey) | 3,285.29 mi (5,287.17 km) |
| Rhyl to Oakland Park (Florida) | 4,248.25 mi (6,836.90 km) |
| Rhyl to Oakleaf Plantation (Florida) | 4,112.18 mi (6,617.91 km) |
