| Safety Harbor to Mangualde | 4,237.13 mi (6,819.00 km) |
| Safety Harbor to Marco de Canavezes | 4,208.10 mi (6,772.28 km) |
| Safety Harbor to Marinha Grande | 4,190.82 mi (6,744.47 km) |
| Safety Harbor to Massama | 4,189.27 mi (6,741.98 km) |
| Safety Harbor to Matosinhos | 4,180.23 mi (6,727.43 km) |
| Safety Harbor to Mealhada | 4,205.50 mi (6,768.11 km) |
| Safety Harbor to Melgaco | 4,187.89 mi (6,739.75 km) |
| Safety Harbor to Melres | 4,197.25 mi (6,754.82 km) |
| Safety Harbor to Mira | 4,190.20 mi (6,743.48 km) |
| Safety Harbor to Miranda do Corvo | 4,216.06 mi (6,785.09 km) |
| Safety Harbor to Mirandela | 4,252.17 mi (6,843.21 km) |
| Safety Harbor to Mogadouro | 4,278.07 mi (6,884.89 km) |
| Safety Harbor to Moimenta da Beira | 4,238.53 mi (6,821.25 km) |
| Safety Harbor to Moita | 4,206.30 mi (6,769.39 km) |
| Safety Harbor to Moncao | 4,177.86 mi (6,723.62 km) |
