| Randallstown to Mangualde | 3,556.90 mi (5,724.27 km) |
| Randallstown to Marco de Canavezes | 3,522.88 mi (5,669.52 km) |
| Randallstown to Marinha Grande | 3,522.66 mi (5,669.17 km) |
| Randallstown to Massama | 3,532.82 mi (5,685.52 km) |
| Randallstown to Matosinhos | 3,496.35 mi (5,626.84 km) |
| Randallstown to Mealhada | 3,529.35 mi (5,679.94 km) |
| Randallstown to Melgaco | 3,493.43 mi (5,622.13 km) |
| Randallstown to Melres | 3,513.85 mi (5,654.99 km) |
| Randallstown to Mira | 3,514.26 mi (5,655.65 km) |
| Randallstown to Miranda do Corvo | 3,542.58 mi (5,701.23 km) |
| Randallstown to Mirandela | 3,561.52 mi (5,731.71 km) |
| Randallstown to Mogadouro | 3,587.80 mi (5,774.00 km) |
| Randallstown to Moimenta da Beira | 3,554.06 mi (5,719.71 km) |
| Randallstown to Moita | 3,550.17 mi (5,713.45 km) |
| Randallstown to Moncao | 3,484.33 mi (5,607.49 km) |
