| Richmond West to Mangualde | 4,212.60 mi (6,779.52 km) |
| Richmond West to Marco de Canavezes | 4,185.75 mi (6,736.32 km) |
| Richmond West to Marinha Grande | 4,161.90 mi (6,697.94 km) |
| Richmond West to Massama | 4,155.94 mi (6,688.34 km) |
| Richmond West to Matosinhos | 4,157.54 mi (6,690.91 km) |
| Richmond West to Mealhada | 4,179.58 mi (6,726.39 km) |
| Richmond West to Melgaco | 4,169.43 mi (6,710.05 km) |
| Richmond West to Melres | 4,174.25 mi (6,717.81 km) |
| Richmond West to Mira | 4,164.31 mi (6,701.81 km) |
| Richmond West to Miranda do Corvo | 4,189.03 mi (6,741.59 km) |
| Richmond West to Mirandela | 4,231.72 mi (6,810.30 km) |
| Richmond West to Mogadouro | 4,257.29 mi (6,851.45 km) |
| Richmond West to Moimenta da Beira | 4,215.67 mi (6,784.47 km) |
| Richmond West to Moita | 4,172.73 mi (6,715.36 km) |
| Richmond West to Moncao | 4,159.09 mi (6,693.41 km) |
