| Ballenger Creek to Mangualde | 3,586.54 mi (5,771.98 km) |
| Ballenger Creek to Marco de Canavezes | 3,552.39 mi (5,717.01 km) |
| Ballenger Creek to Marinha Grande | 3,552.66 mi (5,717.46 km) |
| Ballenger Creek to Massama | 3,563.13 mi (5,734.30 km) |
| Ballenger Creek to Matosinhos | 3,525.91 mi (5,674.41 km) |
| Ballenger Creek to Mealhada | 3,559.13 mi (5,727.86 km) |
| Ballenger Creek to Melgaco | 3,522.65 mi (5,669.16 km) |
| Ballenger Creek to Melres | 3,543.41 mi (5,702.57 km) |
| Ballenger Creek to Mira | 3,544.05 mi (5,703.59 km) |
| Ballenger Creek to Miranda do Corvo | 3,572.43 mi (5,749.27 km) |
| Ballenger Creek to Mirandela | 3,590.84 mi (5,778.90 km) |
| Ballenger Creek to Mogadouro | 3,617.12 mi (5,821.20 km) |
| Ballenger Creek to Moimenta da Beira | 3,583.58 mi (5,767.22 km) |
| Ballenger Creek to Moita | 3,580.49 mi (5,762.24 km) |
| Ballenger Creek to Moncao | 3,513.59 mi (5,654.57 km) |
