| Colfontaine to Marco de Canavezes | 858.29 mi (1,381.28 km) |
| Colfontaine to Marinha Grande | 962.19 mi (1,548.49 km) |
| Colfontaine to Massama | 1,028.85 mi (1,655.78 km) |
| Colfontaine to Matosinhos | 876.12 mi (1,409.98 km) |
| Colfontaine to Mealhada | 911.78 mi (1,467.37 km) |
| Colfontaine to Melgaco | 812.37 mi (1,307.38 km) |
| Colfontaine to Melres | 872.66 mi (1,404.40 km) |
| Colfontaine to Mira | 917.95 mi (1,477.30 km) |
| Colfontaine to Miranda do Corvo | 923.99 mi (1,487.02 km) |
| Colfontaine to Mirandela | 811.18 mi (1,305.46 km) |
| Colfontaine to Mogadouro | 805.47 mi (1,296.28 km) |
| Colfontaine to Moimenta da Beira | 852.60 mi (1,372.13 km) |
| Colfontaine to Moita | 1,026.21 mi (1,651.52 km) |
| Colfontaine to Moncao | 821.82 mi (1,322.60 km) |
| Colfontaine to Montalegre | 812.17 mi (1,307.06 km) |
