| Whitnash to Mangualde | 858.08 mi (1,380.94 km) |
| Whitnash to Marco de Canavezes | 826.83 mi (1,330.66 km) |
| Whitnash to Marinha Grande | 933.96 mi (1,503.06 km) |
| Whitnash to Massama | 1,004.75 mi (1,616.98 km) |
| Whitnash to Matosinhos | 836.91 mi (1,346.88 km) |
| Whitnash to Mealhada | 884.16 mi (1,422.92 km) |
| Whitnash to Melgaco | 768.72 mi (1,237.13 km) |
| Whitnash to Melres | 838.88 mi (1,350.04 km) |
| Whitnash to Mira | 885.97 mi (1,425.84 km) |
| Whitnash to Miranda do Corvo | 900.64 mi (1,449.44 km) |
| Whitnash to Mirandela | 790.87 mi (1,272.79 km) |
| Whitnash to Mogadouro | 793.91 mi (1,277.67 km) |
| Whitnash to Moimenta da Beira | 831.02 mi (1,337.40 km) |
| Whitnash to Moita | 1,006.67 mi (1,620.07 km) |
| Whitnash to Moncao | 775.61 mi (1,248.23 km) |
