| Hyattsville to Mangualde | 3,576.37 mi (5,755.61 km) |
| Hyattsville to Marco de Canavezes | 3,542.56 mi (5,701.20 km) |
| Hyattsville to Marinha Grande | 3,541.56 mi (5,699.59 km) |
| Hyattsville to Massama | 3,551.20 mi (5,715.11 km) |
| Hyattsville to Matosinhos | 3,515.96 mi (5,658.40 km) |
| Hyattsville to Mealhada | 3,548.62 mi (5,710.96 km) |
| Hyattsville to Melgaco | 3,513.52 mi (5,654.47 km) |
| Hyattsville to Melres | 3,533.44 mi (5,686.53 km) |
| Hyattsville to Mira | 3,533.51 mi (5,686.64 km) |
| Hyattsville to Miranda do Corvo | 3,561.74 mi (5,732.06 km) |
| Hyattsville to Mirandela | 3,581.47 mi (5,763.82 km) |
| Hyattsville to Mogadouro | 3,607.75 mi (5,806.11 km) |
| Hyattsville to Moimenta da Beira | 3,573.73 mi (5,751.36 km) |
| Hyattsville to Moita | 3,568.55 mi (5,743.03 km) |
| Hyattsville to Moncao | 3,504.38 mi (5,639.75 km) |
