| Oak Park to Mangualde | 3,995.80 mi (6,430.61 km) |
| Oak Park to Marco de Canavezes | 3,958.31 mi (6,370.28 km) |
| Oak Park to Marinha Grande | 3,971.68 mi (6,391.80 km) |
| Oak Park to Massama | 3,990.39 mi (6,421.91 km) |
| Oak Park to Matosinhos | 3,933.39 mi (6,330.18 km) |
| Oak Park to Mealhada | 3,972.02 mi (6,392.36 km) |
| Oak Park to Melgaco | 3,921.58 mi (6,311.17 km) |
| Oak Park to Melres | 3,950.95 mi (6,358.44 km) |
| Oak Park to Mira | 3,957.37 mi (6,368.77 km) |
| Oak Park to Miranda do Corvo | 3,987.12 mi (6,416.66 km) |
| Oak Park to Mirandela | 3,991.67 mi (6,423.97 km) |
| Oak Park to Mogadouro | 4,017.79 mi (6,466.01 km) |
| Oak Park to Moimenta da Beira | 3,989.55 mi (6,420.55 km) |
| Oak Park to Moita | 4,007.68 mi (6,449.74 km) |
| Oak Park to Moncao | 3,913.45 mi (6,298.09 km) |
