| Summerfield to Mangualde | 3,573.84 mi (5,751.53 km) |
| Summerfield to Marco de Canavezes | 3,540.08 mi (5,697.21 km) |
| Summerfield to Marinha Grande | 3,538.89 mi (5,695.29 km) |
| Summerfield to Massama | 3,548.40 mi (5,710.60 km) |
| Summerfield to Matosinhos | 3,513.46 mi (5,654.37 km) |
| Summerfield to Mealhada | 3,546.04 mi (5,706.80 km) |
| Summerfield to Melgaco | 3,511.15 mi (5,650.65 km) |
| Summerfield to Melres | 3,530.94 mi (5,682.50 km) |
| Summerfield to Mira | 3,530.93 mi (5,682.47 km) |
| Summerfield to Miranda do Corvo | 3,559.13 mi (5,727.86 km) |
| Summerfield to Mirandela | 3,579.06 mi (5,759.94 km) |
| Summerfield to Mogadouro | 3,605.34 mi (5,802.23 km) |
| Summerfield to Moimenta da Beira | 3,571.24 mi (5,747.36 km) |
| Summerfield to Moita | 3,565.75 mi (5,738.53 km) |
| Summerfield to Moncao | 3,501.99 mi (5,635.91 km) |
