| Saint-Jean-le-Blanc to Marco de Canavezes | 677.69 mi (1,090.63 km) |
| Saint-Jean-le-Blanc to Marinha Grande | 778.96 mi (1,253.61 km) |
| Saint-Jean-le-Blanc to Massama | 843.75 mi (1,357.88 km) |
| Saint-Jean-le-Blanc to Matosinhos | 697.61 mi (1,122.69 km) |
| Saint-Jean-le-Blanc to Mealhada | 729.12 mi (1,173.41 km) |
| Saint-Jean-le-Blanc to Melgaco | 636.85 mi (1,024.91 km) |
| Saint-Jean-le-Blanc to Melres | 692.49 mi (1,114.46 km) |
| Saint-Jean-le-Blanc to Mira | 736.44 mi (1,185.19 km) |
| Saint-Jean-le-Blanc to Miranda do Corvo | 739.98 mi (1,190.89 km) |
| Saint-Jean-le-Blanc to Mirandela | 628.23 mi (1,011.04 km) |
| Saint-Jean-le-Blanc to Mogadouro | 620.28 mi (998.24 km) |
| Saint-Jean-le-Blanc to Moimenta da Beira | 669.24 mi (1,077.04 km) |
| Saint-Jean-le-Blanc to Moita | 840.04 mi (1,351.91 km) |
| Saint-Jean-le-Blanc to Moncao | 646.97 mi (1,041.20 km) |
| Saint-Jean-le-Blanc to Montalegre | 633.11 mi (1,018.90 km) |
