| Saint-Chamond to Marco de Canavezes | 701.25 mi (1,128.55 km) |
| Saint-Chamond to Marinha Grande | 788.59 mi (1,269.11 km) |
| Saint-Chamond to Massama | 843.85 mi (1,358.04 km) |
| Saint-Chamond to Matosinhos | 726.29 mi (1,168.85 km) |
| Saint-Chamond to Mealhada | 743.11 mi (1,195.93 km) |
| Saint-Chamond to Melgaco | 677.51 mi (1,090.35 km) |
| Saint-Chamond to Melres | 716.54 mi (1,153.16 km) |
| Saint-Chamond to Mira | 753.88 mi (1,213.25 km) |
| Saint-Chamond to Miranda do Corvo | 748.70 mi (1,204.92 km) |
| Saint-Chamond to Mirandela | 647.22 mi (1,041.59 km) |
| Saint-Chamond to Mogadouro | 631.57 mi (1,016.41 km) |
| Saint-Chamond to Moimenta da Beira | 684.15 mi (1,101.04 km) |
| Saint-Chamond to Moita | 836.07 mi (1,345.52 km) |
| Saint-Chamond to Moncao | 688.71 mi (1,108.37 km) |
| Saint-Chamond to Montalegre | 664.18 mi (1,068.90 km) |
