| Meckenheim to Marco de Canavezes | 975.35 mi (1,569.68 km) |
| Meckenheim to Marinha Grande | 1,076.72 mi (1,732.81 km) |
| Meckenheim to Massama | 1,141.25 mi (1,836.66 km) |
| Meckenheim to Matosinhos | 994.96 mi (1,601.24 km) |
| Meckenheim to Mealhada | 1,026.91 mi (1,652.65 km) |
| Meckenheim to Melgaco | 933.38 mi (1,502.13 km) |
| Meckenheim to Melres | 990.11 mi (1,593.43 km) |
| Meckenheim to Mira | 1,034.20 mi (1,664.39 km) |
| Meckenheim to Miranda do Corvo | 1,037.70 mi (1,670.01 km) |
| Meckenheim to Mirandela | 926.02 mi (1,490.28 km) |
| Meckenheim to Mogadouro | 917.90 mi (1,477.21 km) |
| Meckenheim to Moimenta da Beira | 967.02 mi (1,556.26 km) |
| Meckenheim to Moita | 1,137.26 mi (1,830.25 km) |
| Meckenheim to Moncao | 943.31 mi (1,518.11 km) |
| Meckenheim to Montalegre | 930.52 mi (1,497.53 km) |
