| Whitstable to Mangualde | 853.21 mi (1,373.12 km) |
| Whitstable to Marco de Canavezes | 827.15 mi (1,331.17 km) |
| Whitstable to Marinha Grande | 933.91 mi (1,502.98 km) |
| Whitstable to Massama | 1,003.35 mi (1,614.74 km) |
| Whitstable to Matosinhos | 841.17 mi (1,353.74 km) |
| Whitstable to Mealhada | 883.29 mi (1,421.51 km) |
| Whitstable to Melgaco | 774.28 mi (1,246.08 km) |
| Whitstable to Melres | 840.49 mi (1,352.64 km) |
| Whitstable to Mira | 887.25 mi (1,427.89 km) |
| Whitstable to Miranda do Corvo | 897.87 mi (1,444.98 km) |
| Whitstable to Mirandela | 785.26 mi (1,263.76 km) |
| Whitstable to Mogadouro | 784.09 mi (1,261.87 km) |
| Whitstable to Moimenta da Beira | 826.57 mi (1,330.24 km) |
| Whitstable to Moita | 1,003.08 mi (1,614.30 km) |
| Whitstable to Moncao | 782.55 mi (1,259.39 km) |
