| Oud-Heverlee to Marco de Canavezes | 904.58 mi (1,455.78 km) |
| Oud-Heverlee to Marinha Grande | 1,008.38 mi (1,622.83 km) |
| Oud-Heverlee to Massama | 1,074.93 mi (1,729.94 km) |
| Oud-Heverlee to Matosinhos | 922.47 mi (1,484.57 km) |
| Oud-Heverlee to Mealhada | 958.00 mi (1,541.75 km) |
| Oud-Heverlee to Melgaco | 858.74 mi (1,382.00 km) |
| Oud-Heverlee to Melres | 918.96 mi (1,478.93 km) |
| Oud-Heverlee to Mira | 964.22 mi (1,551.77 km) |
| Oud-Heverlee to Miranda do Corvo | 970.13 mi (1,561.28 km) |
| Oud-Heverlee to Mirandela | 857.36 mi (1,379.79 km) |
| Oud-Heverlee to Mogadouro | 851.50 mi (1,370.36 km) |
| Oud-Heverlee to Moimenta da Beira | 898.77 mi (1,446.43 km) |
| Oud-Heverlee to Moita | 1,072.20 mi (1,725.54 km) |
| Oud-Heverlee to Moncao | 868.19 mi (1,397.22 km) |
| Oud-Heverlee to Montalegre | 858.50 mi (1,381.62 km) |
