| Richmond Heights to Mangualde | 3,716.24 mi (5,980.71 km) |
| Richmond Heights to Marco de Canavezes | 3,680.07 mi (5,922.49 km) |
| Richmond Heights to Marinha Grande | 3,688.09 mi (5,935.40 km) |
| Richmond Heights to Massama | 3,703.51 mi (5,960.22 km) |
| Richmond Heights to Matosinhos | 3,654.46 mi (5,881.28 km) |
| Richmond Heights to Mealhada | 3,690.93 mi (5,939.98 km) |
| Richmond Heights to Melgaco | 3,646.18 mi (5,867.96 km) |
| Richmond Heights to Melres | 3,672.02 mi (5,909.55 km) |
| Richmond Heights to Mira | 3,676.07 mi (5,916.07 km) |
| Richmond Heights to Miranda do Corvo | 3,705.32 mi (5,963.13 km) |
| Richmond Heights to Mirandela | 3,715.61 mi (5,979.70 km) |
| Richmond Heights to Mogadouro | 3,741.85 mi (6,021.93 km) |
| Richmond Heights to Moimenta da Beira | 3,711.34 mi (5,972.83 km) |
| Richmond Heights to Moita | 3,720.85 mi (5,988.14 km) |
| Richmond Heights to Moncao | 3,637.65 mi (5,854.22 km) |
