| McHenry to Mangualde | 4,003.97 mi (6,443.77 km) |
| McHenry to Marco de Canavezes | 3,966.19 mi (6,382.97 km) |
| McHenry to Marinha Grande | 3,980.83 mi (6,406.52 km) |
| McHenry to Massama | 4,000.34 mi (6,437.93 km) |
| McHenry to Matosinhos | 3,941.44 mi (6,343.14 km) |
| McHenry to Mealhada | 3,980.57 mi (6,406.11 km) |
| McHenry to Melgaco | 3,928.82 mi (6,322.83 km) |
| McHenry to Melres | 3,958.99 mi (6,371.38 km) |
| McHenry to Mira | 3,965.97 mi (6,382.61 km) |
| McHenry to Miranda do Corvo | 3,995.83 mi (6,430.67 km) |
| McHenry to Mirandela | 3,999.04 mi (6,435.83 km) |
| McHenry to Mogadouro | 4,025.13 mi (6,477.81 km) |
| McHenry to Moimenta da Beira | 3,997.41 mi (6,433.21 km) |
| McHenry to Moita | 4,017.61 mi (6,465.72 km) |
| McHenry to Moncao | 3,920.79 mi (6,309.91 km) |
