| Latham to Mangualde | 3,319.24 mi (5,341.79 km) |
| Latham to Marco de Canavezes | 3,283.80 mi (5,284.76 km) |
| Latham to Marinha Grande | 3,289.07 mi (5,293.25 km) |
| Latham to Massama | 3,302.98 mi (5,315.63 km) |
| Latham to Matosinhos | 3,257.84 mi (5,242.99 km) |
| Latham to Mealhada | 3,293.15 mi (5,299.81 km) |
| Latham to Melgaco | 3,251.54 mi (5,232.85 km) |
| Latham to Melres | 3,275.40 mi (5,271.24 km) |
| Latham to Mira | 3,278.20 mi (5,275.76 km) |
| Latham to Miranda do Corvo | 3,307.16 mi (5,322.37 km) |
| Latham to Mirandela | 3,320.51 mi (5,343.85 km) |
| Latham to Mogadouro | 3,346.79 mi (5,386.13 km) |
| Latham to Moimenta da Beira | 3,315.06 mi (5,335.08 km) |
| Latham to Moita | 3,320.33 mi (5,343.56 km) |
| Latham to Moncao | 3,242.78 mi (5,218.76 km) |
