| Graham to Mangualde | 5,171.15 mi (8,322.16 km) |
| Graham to Marco de Canavezes | 5,127.47 mi (8,251.86 km) |
| Graham to Marinha Grande | 5,176.31 mi (8,330.46 km) |
| Graham to Massama | 5,216.73 mi (8,395.52 km) |
| Graham to Matosinhos | 5,108.93 mi (8,222.02 km) |
| Graham to Mealhada | 5,159.49 mi (8,303.40 km) |
| Graham to Melgaco | 5,074.44 mi (8,166.52 km) |
| Graham to Melres | 5,125.19 mi (8,248.20 km) |
| Graham to Mira | 5,147.21 mi (8,283.64 km) |
| Graham to Miranda do Corvo | 5,178.41 mi (8,333.85 km) |
| Graham to Mirandela | 5,143.82 mi (8,278.19 km) |
| Graham to Mogadouro | 5,167.30 mi (8,315.97 km) |
| Graham to Moimenta da Beira | 5,156.23 mi (8,298.14 km) |
| Graham to Moita | 5,232.53 mi (8,420.94 km) |
| Graham to Moncao | 5,069.61 mi (8,158.75 km) |
