| Clive to Mangualde | 4,274.87 mi (6,879.74 km) |
| Clive to Marco de Canavezes | 4,236.43 mi (6,817.88 km) |
| Clive to Marinha Grande | 4,253.95 mi (6,846.07 km) |
| Clive to Massama | 4,275.17 mi (6,880.22 km) |
| Clive to Matosinhos | 4,212.10 mi (6,778.71 km) |
| Clive to Mealhada | 4,252.35 mi (6,843.49 km) |
| Clive to Melgaco | 4,197.53 mi (6,755.28 km) |
| Clive to Melres | 4,229.61 mi (6,806.91 km) |
| Clive to Mira | 4,237.88 mi (6,820.20 km) |
| Clive to Miranda do Corvo | 4,267.97 mi (6,868.64 km) |
| Clive to Mirandela | 4,268.01 mi (6,868.69 km) |
| Clive to Mogadouro | 4,293.99 mi (6,910.51 km) |
| Clive to Moimenta da Beira | 4,267.58 mi (6,868.00 km) |
| Clive to Moita | 4,292.39 mi (6,907.93 km) |
| Clive to Moncao | 4,189.75 mi (6,742.75 km) |
