| Saint-Pol-sur-Mer to Marco de Canavezes | 844.21 mi (1,358.62 km) |
| Saint-Pol-sur-Mer to Marinha Grande | 950.02 mi (1,528.91 km) |
| Saint-Pol-sur-Mer to Massama | 1,018.42 mi (1,639.00 km) |
| Saint-Pol-sur-Mer to Matosinhos | 859.94 mi (1,383.94 km) |
| Saint-Pol-sur-Mer to Mealhada | 899.36 mi (1,447.38 km) |
| Saint-Pol-sur-Mer to Melgaco | 794.20 mi (1,278.14 km) |
| Saint-Pol-sur-Mer to Melres | 858.04 mi (1,380.88 km) |
| Saint-Pol-sur-Mer to Mira | 904.30 mi (1,455.33 km) |
| Saint-Pol-sur-Mer to Miranda do Corvo | 912.94 mi (1,469.24 km) |
| Saint-Pol-sur-Mer to Mirandela | 799.88 mi (1,287.28 km) |
| Saint-Pol-sur-Mer to Mogadouro | 796.71 mi (1,282.19 km) |
| Saint-Pol-sur-Mer to Moimenta da Beira | 841.39 mi (1,354.08 km) |
| Saint-Pol-sur-Mer to Moita | 1,017.12 mi (1,636.89 km) |
| Saint-Pol-sur-Mer to Moncao | 803.02 mi (1,292.33 km) |
| Saint-Pol-sur-Mer to Montalegre | 797.06 mi (1,282.74 km) |
