| Zafferana Etnea to Marco de Canavezes | 1,260.11 mi (2,027.95 km) |
| Zafferana Etnea to Marinha Grande | 1,299.54 mi (2,091.41 km) |
| Zafferana Etnea to Massama | 1,321.29 mi (2,126.42 km) |
| Zafferana Etnea to Matosinhos | 1,288.67 mi (2,073.91 km) |
| Zafferana Etnea to Mealhada | 1,273.76 mi (2,049.92 km) |
| Zafferana Etnea to Melgaco | 1,271.50 mi (2,046.28 km) |
| Zafferana Etnea to Melres | 1,272.66 mi (2,048.15 km) |
| Zafferana Etnea to Mira | 1,288.71 mi (2,073.98 km) |
| Zafferana Etnea to Miranda do Corvo | 1,267.46 mi (2,039.79 km) |
| Zafferana Etnea to Mirandela | 1,211.58 mi (1,949.85 km) |
| Zafferana Etnea to Mogadouro | 1,186.64 mi (1,909.71 km) |
| Zafferana Etnea to Moimenta da Beira | 1,231.40 mi (1,981.75 km) |
| Zafferana Etnea to Moita | 1,306.21 mi (2,102.14 km) |
| Zafferana Etnea to Moncao | 1,282.06 mi (2,063.28 km) |
| Zafferana Etnea to Montalegre | 1,245.14 mi (2,003.86 km) |
