| Campton Hills to Mangualde | 4,022.19 mi (6,473.09 km) |
| Campton Hills to Marco de Canavezes | 3,984.56 mi (6,412.54 km) |
| Campton Hills to Marinha Grande | 3,998.53 mi (6,435.02 km) |
| Campton Hills to Massama | 4,017.61 mi (6,465.72 km) |
| Campton Hills to Matosinhos | 3,959.72 mi (6,372.56 km) |
| Campton Hills to Mealhada | 3,998.59 mi (6,435.12 km) |
| Campton Hills to Melgaco | 3,947.52 mi (6,352.92 km) |
| Campton Hills to Melres | 3,977.28 mi (6,400.81 km) |
| Campton Hills to Mira | 3,983.97 mi (6,411.57 km) |
| Campton Hills to Miranda do Corvo | 4,013.77 mi (6,459.54 km) |
| Campton Hills to Mirandela | 4,017.67 mi (6,465.82 km) |
| Campton Hills to Mogadouro | 4,043.78 mi (6,507.83 km) |
| Campton Hills to Moimenta da Beira | 4,015.79 mi (6,462.79 km) |
| Campton Hills to Moita | 4,034.89 mi (6,493.53 km) |
| Campton Hills to Moncao | 3,939.44 mi (6,339.92 km) |
