| Rennes to Marco de Canavezes | 574.44 mi (924.47 km) |
| Rennes to Marinha Grande | 680.69 mi (1,095.46 km) |
| Rennes to Massama | 749.65 mi (1,206.44 km) |
| Rennes to Matosinhos | 589.75 mi (949.11 km) |
| Rennes to Mealhada | 630.02 mi (1,013.92 km) |
| Rennes to Melgaco | 523.90 mi (843.13 km) |
| Rennes to Melres | 588.12 mi (946.49 km) |
| Rennes to Mira | 634.57 mi (1,021.24 km) |
| Rennes to Miranda do Corvo | 644.12 mi (1,036.61 km) |
| Rennes to Mirandela | 531.25 mi (854.97 km) |
| Rennes to Mogadouro | 529.52 mi (852.17 km) |
| Rennes to Moimenta da Beira | 572.66 mi (921.61 km) |
| Rennes to Moita | 748.97 mi (1,205.35 km) |
| Rennes to Moncao | 532.72 mi (857.34 km) |
| Rennes to Montalegre | 527.11 mi (848.30 km) |
