| Uniondale to Mangualde | 3,364.14 mi (5,414.06 km) |
| Uniondale to Marco de Canavezes | 3,329.97 mi (5,359.07 km) |
| Uniondale to Marinha Grande | 3,330.39 mi (5,359.74 km) |
| Uniondale to Massama | 3,341.09 mi (5,376.97 km) |
| Uniondale to Matosinhos | 3,303.50 mi (5,316.47 km) |
| Uniondale to Mealhada | 3,336.75 mi (5,369.99 km) |
| Uniondale to Melgaco | 3,300.28 mi (5,311.29 km) |
| Uniondale to Melres | 3,321.00 mi (5,344.64 km) |
| Uniondale to Mira | 3,321.68 mi (5,345.72 km) |
| Uniondale to Miranda do Corvo | 3,350.08 mi (5,391.43 km) |
| Uniondale to Mirandela | 3,368.45 mi (5,420.99 km) |
| Uniondale to Mogadouro | 3,394.73 mi (5,463.29 km) |
| Uniondale to Moimenta da Beira | 3,361.17 mi (5,409.28 km) |
| Uniondale to Moita | 3,358.45 mi (5,404.91 km) |
| Uniondale to Moncao | 3,291.21 mi (5,296.69 km) |
