| Franklin to Mangualde | 4,153.92 mi (6,685.09 km) |
| Franklin to Marco de Canavezes | 4,119.47 mi (6,629.64 km) |
| Franklin to Marinha Grande | 4,120.63 mi (6,631.52 km) |
| Franklin to Massama | 4,131.35 mi (6,648.76 km) |
| Franklin to Matosinhos | 4,093.12 mi (6,587.23 km) |
| Franklin to Mealhada | 4,126.76 mi (6,641.38 km) |
| Franklin to Melgaco | 4,089.01 mi (6,580.62 km) |
| Franklin to Melres | 4,110.63 mi (6,615.42 km) |
| Franklin to Mira | 4,111.70 mi (6,617.14 km) |
| Franklin to Miranda do Corvo | 4,140.18 mi (6,662.97 km) |
| Franklin to Mirandela | 4,157.45 mi (6,690.78 km) |
| Franklin to Mogadouro | 4,183.74 mi (6,733.08 km) |
| Franklin to Moimenta da Beira | 4,150.69 mi (6,679.89 km) |
| Franklin to Moita | 4,148.70 mi (6,676.70 km) |
| Franklin to Moncao | 4,080.04 mi (6,566.19 km) |
