| Secaucus to Mangualde | 3,385.17 mi (5,447.91 km) |
| Secaucus to Marco de Canavezes | 3,350.87 mi (5,392.71 km) |
| Secaucus to Marinha Grande | 3,351.77 mi (5,394.16 km) |
| Secaucus to Massama | 3,362.78 mi (5,411.88 km) |
| Secaucus to Matosinhos | 3,324.45 mi (5,350.19 km) |
| Secaucus to Mealhada | 3,357.92 mi (5,404.04 km) |
| Secaucus to Melgaco | 3,320.91 mi (5,344.49 km) |
| Secaucus to Melres | 3,341.96 mi (5,378.37 km) |
| Secaucus to Mira | 3,342.85 mi (5,379.80 km) |
| Secaucus to Miranda do Corvo | 3,371.31 mi (5,425.60 km) |
| Secaucus to Mirandela | 3,389.17 mi (5,454.34 km) |
| Secaucus to Mogadouro | 3,415.45 mi (5,496.64 km) |
| Secaucus to Moimenta da Beira | 3,382.08 mi (5,442.93 km) |
| Secaucus to Moita | 3,380.15 mi (5,439.82 km) |
| Secaucus to Moncao | 3,311.87 mi (5,329.94 km) |
