| Addlestone to Mangualde | 820.67 mi (1,320.74 km) |
| Addlestone to Marco de Canavezes | 792.17 mi (1,274.87 km) |
| Addlestone to Marinha Grande | 899.36 mi (1,447.39 km) |
| Addlestone to Massama | 969.57 mi (1,560.37 km) |
| Addlestone to Matosinhos | 804.47 mi (1,294.68 km) |
| Addlestone to Mealhada | 849.00 mi (1,366.33 km) |
| Addlestone to Melgaco | 736.80 mi (1,185.77 km) |
| Addlestone to Melres | 804.96 mi (1,295.46 km) |
| Addlestone to Mira | 852.00 mi (1,371.16 km) |
| Addlestone to Miranda do Corvo | 864.48 mi (1,391.24 km) |
| Addlestone to Mirandela | 752.86 mi (1,211.62 km) |
| Addlestone to Mogadouro | 753.67 mi (1,212.91 km) |
| Addlestone to Moimenta da Beira | 793.76 mi (1,277.43 km) |
| Addlestone to Moita | 970.30 mi (1,561.54 km) |
| Addlestone to Moncao | 744.50 mi (1,198.16 km) |
