| Zarautz to Mangualde | 341.82 mi (550.11 km) |
| Zarautz to Marco de Canavezes | 338.63 mi (544.97 km) |
| Zarautz to Marinha Grande | 426.56 mi (686.48 km) |
| Zarautz to Massama | 484.57 mi (779.83 km) |
| Zarautz to Matosinhos | 364.23 mi (586.17 km) |
| Zarautz to Mealhada | 380.34 mi (612.10 km) |
| Zarautz to Melgaco | 319.98 mi (514.95 km) |
| Zarautz to Melres | 353.89 mi (569.53 km) |
| Zarautz to Mira | 390.94 mi (629.15 km) |
| Zarautz to Miranda do Corvo | 386.62 mi (622.20 km) |
| Zarautz to Mirandela | 284.43 mi (457.75 km) |
| Zarautz to Mogadouro | 268.65 mi (432.35 km) |
| Zarautz to Moimenta da Beira | 321.20 mi (516.92 km) |
| Zarautz to Moita | 478.19 mi (769.58 km) |
| Zarautz to Moncao | 331.31 mi (533.20 km) |
