| Calella to Mangualde | 546.87 mi (880.10 km) |
| Calella to Marco de Canavezes | 560.91 mi (902.69 km) |
| Calella to Marinha Grande | 620.67 mi (998.88 km) |
| Calella to Massama | 659.79 mi (1,061.83 km) |
| Calella to Matosinhos | 589.31 mi (948.41 km) |
| Calella to Mealhada | 585.36 mi (942.05 km) |
| Calella to Melgaco | 563.11 mi (906.23 km) |
| Calella to Melres | 574.81 mi (925.06 km) |
| Calella to Mira | 599.25 mi (964.40 km) |
| Calella to Miranda do Corvo | 583.75 mi (939.46 km) |
| Calella to Mirandela | 508.91 mi (819.01 km) |
| Calella to Mogadouro | 485.78 mi (781.79 km) |
| Calella to Moimenta da Beira | 535.00 mi (861.00 km) |
| Calella to Moita | 647.91 mi (1,042.70 km) |
| Calella to Moncao | 574.06 mi (923.87 km) |
