| Charleroi to Marco de Canavezes | 876.91 mi (1,411.24 km) |
| Charleroi to Marinha Grande | 980.26 mi (1,577.58 km) |
| Charleroi to Massama | 1,046.46 mi (1,684.12 km) |
| Charleroi to Matosinhos | 895.18 mi (1,440.66 km) |
| Charleroi to Mealhada | 929.97 mi (1,496.64 km) |
| Charleroi to Melgaco | 831.93 mi (1,338.86 km) |
| Charleroi to Melres | 891.38 mi (1,434.54 km) |
| Charleroi to Mira | 936.41 mi (1,507.01 km) |
| Charleroi to Miranda do Corvo | 941.85 mi (1,515.76 km) |
| Charleroi to Mirandela | 829.23 mi (1,334.51 km) |
| Charleroi to Mogadouro | 822.94 mi (1,324.39 km) |
| Charleroi to Moimenta da Beira | 870.58 mi (1,401.07 km) |
| Charleroi to Moita | 1,043.51 mi (1,679.36 km) |
| Charleroi to Moncao | 841.51 mi (1,354.28 km) |
| Charleroi to Montalegre | 831.07 mi (1,337.48 km) |
