| Milford Haven to Montalegre | 695.55 mi (1,119.38 km) |
| Milford Haven to Montemor-o-Novo | 915.56 mi (1,473.45 km) |
| Milford Haven to Montemor-o-Velho | 816.53 mi (1,314.09 km) |
| Milford Haven to Montijo | 919.39 mi (1,479.61 km) |
| Milford Haven to Mortagua | 794.09 mi (1,277.97 km) |
| Milford Haven to Moura | 945.57 mi (1,521.75 km) |
| Milford Haven to Murtosa | 777.63 mi (1,251.47 km) |
| Milford Haven to Nazare | 858.93 mi (1,382.31 km) |
| Milford Haven to Nelas | 785.11 mi (1,263.52 km) |
| Milford Haven to Obidos | 876.28 mi (1,410.24 km) |
| Milford Haven to Odemira | 991.86 mi (1,596.24 km) |
| Milford Haven to Odivelas | 914.96 mi (1,472.49 km) |
| Milford Haven to Oeiras | 923.67 mi (1,486.50 km) |
| Milford Haven to Olhao | 1,024.02 mi (1,648.01 km) |
| Milford Haven to Oliveira de Azemeis | 768.78 mi (1,237.23 km) |
