| Matthews to Mangualde | 3,882.04 mi (6,247.54 km) |
| Matthews to Marco de Canavezes | 3,849.56 mi (6,195.26 km) |
| Matthews to Marinha Grande | 3,843.73 mi (6,185.88 km) |
| Matthews to Massama | 3,850.00 mi (6,195.98 km) |
| Matthews to Matosinhos | 3,822.52 mi (6,151.76 km) |
| Matthews to Mealhada | 3,853.08 mi (6,200.94 km) |
| Matthews to Melgaco | 3,823.01 mi (6,152.54 km) |
| Matthews to Melres | 3,839.91 mi (6,179.74 km) |
| Matthews to Mira | 3,837.88 mi (6,176.47 km) |
| Matthews to Miranda do Corvo | 3,865.47 mi (6,220.87 km) |
| Matthews to Mirandela | 3,890.05 mi (6,260.44 km) |
| Matthews to Mogadouro | 3,916.28 mi (6,302.64 km) |
| Matthews to Moimenta da Beira | 3,880.58 mi (6,245.19 km) |
| Matthews to Moita | 3,867.30 mi (6,223.82 km) |
| Matthews to Moncao | 3,813.59 mi (6,137.38 km) |
