| Rhyl to Montalegre | 819.07 mi (1,318.17 km) |
| Rhyl to Montemor-o-Novo | 1,038.28 mi (1,670.95 km) |
| Rhyl to Montemor-o-Velho | 941.04 mi (1,514.45 km) |
| Rhyl to Montijo | 1,043.53 mi (1,679.39 km) |
| Rhyl to Mortagua | 917.80 mi (1,477.05 km) |
| Rhyl to Moura | 1,066.27 mi (1,716.00 km) |
| Rhyl to Murtosa | 902.36 mi (1,452.20 km) |
| Rhyl to Nazare | 983.85 mi (1,583.36 km) |
| Rhyl to Nelas | 907.97 mi (1,461.24 km) |
| Rhyl to Obidos | 1,001.24 mi (1,611.34 km) |
| Rhyl to Odemira | 1,114.96 mi (1,794.35 km) |
| Rhyl to Odivelas | 1,039.67 mi (1,673.19 km) |
| Rhyl to Oeiras | 1,048.57 mi (1,687.51 km) |
| Rhyl to Olhao | 1,145.19 mi (1,843.01 km) |
| Rhyl to Oliveira de Azemeis | 893.25 mi (1,437.54 km) |
