| Rhyl to Oxford (Alabama) | 4,101.21 mi (6,600.25 km) |
| Rhyl to Oxford (Mississippi) | 4,206.56 mi (6,769.80 km) |
| Rhyl to Oxford (Ohio) | 3,768.07 mi (6,064.13 km) |
| Rhyl to Oxnard (California) | 5,273.28 mi (8,486.52 km) |
| Rhyl to Oxon Hill (Maryland) | 3,496.28 mi (5,626.71 km) |
| Rhyl to Ozark (Alabama) | 4,200.69 mi (6,760.36 km) |
| Rhyl to Ozark (Missouri) | 4,212.66 mi (6,779.62 km) |
| Rhyl to Pace (Florida) | 4,303.80 mi (6,926.29 km) |
| Rhyl to Pacific Grove (California) | 5,218.04 mi (8,397.63 km) |
| Rhyl to Pacifica (California) | 5,176.89 mi (8,331.40 km) |
| Rhyl to Paducah (Kentucky) | 4,036.72 mi (6,496.47 km) |
| Rhyl to Pahrump (Nevada) | 5,056.16 mi (8,137.11 km) |
| Rhyl to Painesville (Ohio) | 3,529.58 mi (5,680.31 km) |
| Rhyl to Palatine (Illinois) | 3,769.74 mi (6,066.81 km) |
| Rhyl to Palatka (Florida) | 4,131.96 mi (6,649.74 km) |
