| Basingstoke to Mangualde | 802.66 mi (1,291.75 km) |
| Basingstoke to Marco de Canavezes | 773.32 mi (1,244.53 km) |
| Basingstoke to Marinha Grande | 880.56 mi (1,417.12 km) |
| Basingstoke to Massama | 950.97 mi (1,530.44 km) |
| Basingstoke to Matosinhos | 785.00 mi (1,263.34 km) |
| Basingstoke to Mealhada | 830.33 mi (1,336.29 km) |
| Basingstoke to Melgaco | 717.14 mi (1,154.12 km) |
| Basingstoke to Melres | 785.90 mi (1,264.79 km) |
| Basingstoke to Mira | 832.99 mi (1,340.57 km) |
| Basingstoke to Miranda do Corvo | 846.12 mi (1,361.69 km) |
| Basingstoke to Mirandela | 734.99 mi (1,182.85 km) |
| Basingstoke to Mogadouro | 736.51 mi (1,185.30 km) |
| Basingstoke to Moimenta da Beira | 775.68 mi (1,248.34 km) |
| Basingstoke to Moita | 952.05 mi (1,532.18 km) |
| Basingstoke to Moncao | 724.62 mi (1,166.17 km) |
