| Douarnenez to Marco de Canavezes | 512.80 mi (825.27 km) |
| Douarnenez to Marinha Grande | 619.95 mi (997.71 km) |
| Douarnenez to Massama | 690.71 mi (1,111.60 km) |
| Douarnenez to Matosinhos | 523.25 mi (842.09 km) |
| Douarnenez to Mealhada | 570.12 mi (917.52 km) |
| Douarnenez to Melgaco | 455.16 mi (732.51 km) |
| Douarnenez to Melres | 524.92 mi (844.77 km) |
| Douarnenez to Mira | 572.02 mi (920.58 km) |
| Douarnenez to Miranda do Corvo | 586.63 mi (944.09 km) |
| Douarnenez to Mirandela | 477.33 mi (768.19 km) |
| Douarnenez to Mogadouro | 481.40 mi (774.75 km) |
| Douarnenez to Moimenta da Beira | 517.22 mi (832.38 km) |
| Douarnenez to Moita | 692.65 mi (1,114.71 km) |
| Douarnenez to Moncao | 462.35 mi (744.08 km) |
| Douarnenez to Montalegre | 464.91 mi (748.20 km) |
