| Stony Brook to Mangualde | 3,336.59 mi (5,369.73 km) |
| Stony Brook to Marco de Canavezes | 3,302.40 mi (5,314.70 km) |
| Stony Brook to Marinha Grande | 3,302.92 mi (5,315.54 km) |
| Stony Brook to Massama | 3,313.72 mi (5,332.91 km) |
| Stony Brook to Matosinhos | 3,275.94 mi (5,272.12 km) |
| Stony Brook to Mealhada | 3,309.23 mi (5,325.70 km) |
| Stony Brook to Melgaco | 3,272.67 mi (5,266.86 km) |
| Stony Brook to Melres | 3,293.44 mi (5,300.29 km) |
| Stony Brook to Mira | 3,294.16 mi (5,301.44 km) |
| Stony Brook to Miranda do Corvo | 3,322.57 mi (5,347.17 km) |
| Stony Brook to Mirandela | 3,340.85 mi (5,376.58 km) |
| Stony Brook to Mogadouro | 3,367.13 mi (5,418.87 km) |
| Stony Brook to Moimenta da Beira | 3,333.60 mi (5,364.91 km) |
| Stony Brook to Moita | 3,331.08 mi (5,360.85 km) |
| Stony Brook to Moncao | 3,263.60 mi (5,252.26 km) |
