| Little Chute to Mangualde | 3,943.17 mi (6,345.92 km) |
| Little Chute to Marco de Canavezes | 3,904.54 mi (6,283.76 km) |
| Little Chute to Marinha Grande | 3,923.03 mi (6,313.51 km) |
| Little Chute to Massama | 3,945.04 mi (6,348.93 km) |
| Little Chute to Matosinhos | 3,880.33 mi (6,244.79 km) |
| Little Chute to Mealhada | 3,920.93 mi (6,310.12 km) |
| Little Chute to Melgaco | 3,865.29 mi (6,220.58 km) |
| Little Chute to Melres | 3,897.84 mi (6,272.96 km) |
| Little Chute to Mira | 3,906.50 mi (6,286.91 km) |
| Little Chute to Miranda do Corvo | 3,936.68 mi (6,335.47 km) |
| Little Chute to Mirandela | 3,935.81 mi (6,334.07 km) |
| Little Chute to Mogadouro | 3,961.77 mi (6,375.85 km) |
| Little Chute to Moimenta da Beira | 3,935.67 mi (6,333.85 km) |
| Little Chute to Moita | 3,962.23 mi (6,376.59 km) |
| Little Chute to Moncao | 3,857.55 mi (6,208.13 km) |
