| San Benito to Mangualde | 5,061.80 mi (8,146.18 km) |
| San Benito to Marco de Canavezes | 5,028.94 mi (8,093.30 km) |
| San Benito to Marinha Grande | 5,024.04 mi (8,085.41 km) |
| San Benito to Massama | 5,030.33 mi (8,095.54 km) |
| San Benito to Matosinhos | 5,002.03 mi (8,050.00 km) |
| San Benito to Mealhada | 5,033.10 mi (8,099.99 km) |
| San Benito to Melgaco | 5,001.43 mi (8,049.02 km) |
| San Benito to Melres | 5,019.45 mi (8,078.03 km) |
| San Benito to Mira | 5,017.91 mi (8,075.55 km) |
| San Benito to Miranda do Corvo | 5,045.61 mi (8,120.12 km) |
| San Benito to Mirandela | 5,068.88 mi (8,157.57 km) |
| San Benito to Mogadouro | 5,095.13 mi (8,199.82 km) |
| San Benito to Moimenta da Beira | 5,060.01 mi (8,143.31 km) |
| San Benito to Moita | 5,047.63 mi (8,123.38 km) |
| San Benito to Moncao | 4,992.13 mi (8,034.06 km) |
