| Mercerville to Mangualde | 3,430.23 mi (5,520.43 km) |
| Mercerville to Marco de Canavezes | 3,396.14 mi (5,465.56 km) |
| Mercerville to Marinha Grande | 3,396.25 mi (5,465.74 km) |
| Mercerville to Massama | 3,406.71 mi (5,482.57 km) |
| Mercerville to Matosinhos | 3,369.64 mi (5,422.92 km) |
| Mercerville to Mealhada | 3,402.77 mi (5,476.23 km) |
| Mercerville to Melgaco | 3,366.58 mi (5,417.99 km) |
| Mercerville to Melres | 3,387.14 mi (5,451.08 km) |
| Mercerville to Mira | 3,387.69 mi (5,451.95 km) |
| Mercerville to Miranda do Corvo | 3,416.05 mi (5,497.60 km) |
| Mercerville to Mirandela | 3,434.70 mi (5,527.62 km) |
| Mercerville to Mogadouro | 3,460.99 mi (5,569.92 km) |
| Mercerville to Moimenta da Beira | 3,427.33 mi (5,515.76 km) |
| Mercerville to Moita | 3,424.07 mi (5,510.51 km) |
| Mercerville to Moncao | 3,357.49 mi (5,403.36 km) |
