| Littleton to Mangualde | 4,841.38 mi (7,791.46 km) |
| Littleton to Marco de Canavezes | 4,801.64 mi (7,727.50 km) |
| Littleton to Marinha Grande | 4,825.19 mi (7,765.39 km) |
| Littleton to Massama | 4,849.99 mi (7,805.31 km) |
| Littleton to Matosinhos | 4,778.24 mi (7,689.84 km) |
| Littleton to Mealhada | 4,820.76 mi (7,758.26 km) |
| Littleton to Melgaco | 4,759.67 mi (7,659.95 km) |
| Littleton to Melres | 4,795.65 mi (7,717.86 km) |
| Littleton to Mira | 4,806.59 mi (7,735.46 km) |
| Littleton to Miranda do Corvo | 4,837.11 mi (7,784.58 km) |
| Littleton to Mirandela | 4,830.48 mi (7,773.91 km) |
| Littleton to Mogadouro | 4,856.17 mi (7,815.26 km) |
| Littleton to Moimenta da Beira | 4,832.57 mi (7,777.26 km) |
| Littleton to Moita | 4,867.07 mi (7,832.80 km) |
| Littleton to Moncao | 4,752.41 mi (7,648.26 km) |
