| Maltby to Mangualde | 937.14 mi (1,508.18 km) |
| Maltby to Marco de Canavezes | 905.18 mi (1,456.75 km) |
| Maltby to Marinha Grande | 1,012.16 mi (1,628.91 km) |
| Maltby to Massama | 1,083.05 mi (1,743.01 km) |
| Maltby to Matosinhos | 914.58 mi (1,471.87 km) |
| Maltby to Mealhada | 962.59 mi (1,549.14 km) |
| Maltby to Melgaco | 846.33 mi (1,362.03 km) |
| Maltby to Melres | 916.99 mi (1,475.76 km) |
| Maltby to Mira | 964.05 mi (1,551.49 km) |
| Maltby to Miranda do Corvo | 979.33 mi (1,576.08 km) |
| Maltby to Mirandela | 870.15 mi (1,400.38 km) |
| Maltby to Mogadouro | 873.69 mi (1,406.06 km) |
| Maltby to Moimenta da Beira | 910.07 mi (1,464.62 km) |
| Maltby to Moita | 1,085.31 mi (1,746.64 km) |
| Maltby to Moncao | 852.95 mi (1,372.69 km) |
