| Rhyl to Noventa Vicentina | 872.14 mi (1,403.58 km) |
| Rhyl to Novi di Modena | 870.11 mi (1,400.31 km) |
| Rhyl to Novi Ligure | 809.34 mi (1,302.51 km) |
| Rhyl to Nuoro | 1,080.08 mi (1,738.22 km) |
| Rhyl to Occhiobello | 891.59 mi (1,434.88 km) |
| Rhyl to Oderzo | 882.24 mi (1,419.83 km) |
| Rhyl to Oggiono | 773.78 mi (1,245.27 km) |
| Rhyl to Olbia | 1,048.61 mi (1,687.58 km) |
| Rhyl to Oleggio | 760.00 mi (1,223.10 km) |
| Rhyl to Olgiate Comasco | 761.25 mi (1,225.11 km) |
| Rhyl to Olgiate Olona | 766.26 mi (1,233.17 km) |
| Rhyl to Omegna | 738.36 mi (1,188.27 km) |
| Rhyl to Opera | 789.89 mi (1,271.21 km) |
| Rhyl to Oppeano | 859.33 mi (1,382.96 km) |
| Rhyl to Orbassano | 758.34 mi (1,220.44 km) |
