| Monserrato to Marco de Canavezes | 920.90 mi (1,482.05 km) |
| Monserrato to Marinha Grande | 963.08 mi (1,549.92 km) |
| Monserrato to Massama | 988.16 mi (1,590.30 km) |
| Monserrato to Matosinhos | 949.48 mi (1,528.03 km) |
| Monserrato to Mealhada | 935.76 mi (1,505.96 km) |
| Monserrato to Melgaco | 932.03 mi (1,499.96 km) |
| Monserrato to Melres | 933.58 mi (1,502.45 km) |
| Monserrato to Mira | 950.61 mi (1,529.86 km) |
| Monserrato to Miranda do Corvo | 930.11 mi (1,496.86 km) |
| Monserrato to Mirandela | 872.13 mi (1,403.55 km) |
| Monserrato to Mogadouro | 847.25 mi (1,363.52 km) |
| Monserrato to Moimenta da Beira | 892.39 mi (1,436.17 km) |
| Monserrato to Moita | 973.62 mi (1,566.89 km) |
| Monserrato to Moncao | 942.58 mi (1,516.93 km) |
| Monserrato to Montalegre | 905.62 mi (1,457.46 km) |
