| Crowborough to Mangualde | 815.79 mi (1,312.88 km) |
| Crowborough to Marco de Canavezes | 788.83 mi (1,269.50 km) |
| Crowborough to Marinha Grande | 895.79 mi (1,441.64 km) |
| Crowborough to Massama | 965.54 mi (1,553.88 km) |
| Crowborough to Matosinhos | 802.28 mi (1,291.14 km) |
| Crowborough to Mealhada | 845.24 mi (1,360.28 km) |
| Crowborough to Melgaco | 735.09 mi (1,183.02 km) |
| Crowborough to Melres | 801.99 mi (1,290.68 km) |
| Crowborough to Mira | 848.87 mi (1,366.12 km) |
| Crowborough to Miranda do Corvo | 860.15 mi (1,384.28 km) |
| Crowborough to Mirandela | 747.85 mi (1,203.54 km) |
| Crowborough to Mogadouro | 747.42 mi (1,202.86 km) |
| Crowborough to Moimenta da Beira | 789.03 mi (1,269.82 km) |
| Crowborough to Moita | 965.63 mi (1,554.03 km) |
| Crowborough to Moncao | 743.18 mi (1,196.03 km) |
