| Santa Barbara to Mangualde | 5,687.17 mi (9,152.61 km) |
| Santa Barbara to Marco de Canavezes | 5,646.10 mi (9,086.52 km) |
| Santa Barbara to Marinha Grande | 5,676.48 mi (9,135.41 km) |
| Santa Barbara to Massama | 5,705.29 mi (9,181.77 km) |
| Santa Barbara to Matosinhos | 5,623.88 mi (9,050.76 km) |
| Santa Barbara to Mealhada | 5,668.81 mi (9,123.08 km) |
| Santa Barbara to Melgaco | 5,600.76 mi (9,013.55 km) |
| Santa Barbara to Melres | 5,641.09 mi (9,078.45 km) |
| Santa Barbara to Mira | 5,655.06 mi (9,100.94 km) |
| Santa Barbara to Miranda do Corvo | 5,685.94 mi (9,150.64 km) |
| Santa Barbara to Mirandela | 5,671.63 mi (9,127.61 km) |
| Santa Barbara to Mogadouro | 5,696.86 mi (9,168.21 km) |
| Santa Barbara to Moimenta da Beira | 5,676.62 mi (9,135.64 km) |
| Santa Barbara to Moita | 5,722.15 mi (9,208.92 km) |
| Santa Barbara to Moncao | 5,594.14 mi (9,002.89 km) |
