| Narva to Marco de Canavezes | 1,997.11 mi (3,214.03 km) |
| Narva to Marinha Grande | 2,100.48 mi (3,380.39 km) |
| Narva to Massama | 2,166.29 mi (3,486.30 km) |
| Narva to Matosinhos | 2,015.01 mi (3,242.85 km) |
| Narva to Mealhada | 2,050.22 mi (3,299.52 km) |
| Narva to Melgaco | 1,950.95 mi (3,139.75 km) |
| Narva to Melres | 2,011.52 mi (3,237.23 km) |
| Narva to Mira | 2,056.67 mi (3,309.89 km) |
| Narva to Miranda do Corvo | 2,061.94 mi (3,318.38 km) |
| Narva to Mirandela | 1,949.45 mi (3,137.33 km) |
| Narva to Mogadouro | 1,942.71 mi (3,126.48 km) |
| Narva to Moimenta da Beira | 1,990.76 mi (3,203.82 km) |
| Narva to Moita | 2,162.88 mi (3,480.83 km) |
| Narva to Moncao | 1,960.25 mi (3,154.72 km) |
| Narva to Montalegre | 1,951.07 mi (3,139.95 km) |
