| Metairie to Mangualde | 4,536.62 mi (7,300.98 km) |
| Metairie to Marco de Canavezes | 4,504.20 mi (7,248.81 km) |
| Metairie to Marinha Grande | 4,497.91 mi (7,238.69 km) |
| Metairie to Massama | 4,503.54 mi (7,247.74 km) |
| Metairie to Matosinhos | 4,477.15 mi (7,205.28 km) |
| Metairie to Mealhada | 4,507.56 mi (7,254.22 km) |
| Metairie to Melgaco | 4,477.64 mi (7,206.06 km) |
| Metairie to Melres | 4,494.54 mi (7,233.26 km) |
| Metairie to Mira | 4,492.35 mi (7,229.74 km) |
| Metairie to Miranda do Corvo | 4,519.87 mi (7,274.02 km) |
| Metairie to Mirandela | 4,544.71 mi (7,314.00 km) |
| Metairie to Mogadouro | 4,570.93 mi (7,356.21 km) |
| Metairie to Moimenta da Beira | 4,535.22 mi (7,298.73 km) |
| Metairie to Moita | 4,520.82 mi (7,275.56 km) |
| Metairie to Moncao | 4,468.23 mi (7,190.92 km) |
