| Rhyl to Mangualde | 901.12 mi (1,450.21 km) |
| Rhyl to Marco de Canavezes | 866.28 mi (1,394.15 km) |
| Rhyl to Marinha Grande | 972.11 mi (1,564.46 km) |
| Rhyl to Massama | 1,043.10 mi (1,678.71 km) |
| Rhyl to Matosinhos | 873.04 mi (1,405.03 km) |
| Rhyl to Mealhada | 923.67 mi (1,486.50 km) |
| Rhyl to Melgaco | 805.02 mi (1,295.55 km) |
| Rhyl to Melres | 877.10 mi (1,411.56 km) |
| Rhyl to Mira | 923.74 mi (1,486.61 km) |
| Rhyl to Miranda do Corvo | 941.42 mi (1,515.07 km) |
| Rhyl to Mirandela | 835.59 mi (1,344.76 km) |
| Rhyl to Mogadouro | 841.80 mi (1,354.74 km) |
| Rhyl to Moimenta da Beira | 874.16 mi (1,406.83 km) |
| Rhyl to Moita | 1,046.75 mi (1,684.58 km) |
| Rhyl to Moncao | 810.67 mi (1,304.65 km) |
