| Bidston to Mangualde | 910.86 mi (1,465.88 km) |
| Bidston to Marco de Canavezes | 876.49 mi (1,410.57 km) |
| Bidston to Marinha Grande | 982.57 mi (1,581.30 km) |
| Bidston to Massama | 1,053.58 mi (1,695.57 km) |
| Bidston to Matosinhos | 883.69 mi (1,422.17 km) |
| Bidston to Mealhada | 933.91 mi (1,502.99 km) |
| Bidston to Melgaco | 815.59 mi (1,312.56 km) |
| Bidston to Melres | 887.48 mi (1,428.26 km) |
| Bidston to Mira | 934.21 mi (1,503.47 km) |
| Bidston to Miranda do Corvo | 951.50 mi (1,531.29 km) |
| Bidston to Mirandela | 845.04 mi (1,359.95 km) |
| Bidston to Mogadouro | 850.78 mi (1,369.21 km) |
| Bidston to Moimenta da Beira | 883.86 mi (1,422.44 km) |
| Bidston to Moita | 1,057.00 mi (1,701.07 km) |
| Bidston to Moncao | 821.41 mi (1,321.92 km) |
