| Basildon to Mangualde | 853.96 mi (1,374.31 km) |
| Basildon to Marco de Canavezes | 826.70 mi (1,330.45 km) |
| Basildon to Marinha Grande | 933.73 mi (1,502.69 km) |
| Basildon to Massama | 1,003.57 mi (1,615.09 km) |
| Basildon to Matosinhos | 839.88 mi (1,351.66 km) |
| Basildon to Mealhada | 883.21 mi (1,421.38 km) |
| Basildon to Melgaco | 772.56 mi (1,243.32 km) |
| Basildon to Melres | 839.78 mi (1,351.49 km) |
| Basildon to Mira | 886.70 mi (1,427.01 km) |
| Basildon to Miranda do Corvo | 898.23 mi (1,445.56 km) |
| Basildon to Mirandela | 786.03 mi (1,264.99 km) |
| Basildon to Mogadouro | 785.79 mi (1,264.60 km) |
| Basildon to Moimenta da Beira | 827.17 mi (1,331.20 km) |
| Basildon to Moita | 1,003.78 mi (1,615.43 km) |
| Basildon to Moncao | 780.55 mi (1,256.17 km) |
