| Hwlffordd to Montalegre | 701.99 mi (1,129.74 km) |
| Hwlffordd to Montemor-o-Novo | 921.97 mi (1,483.77 km) |
| Hwlffordd to Montemor-o-Velho | 823.03 mi (1,324.54 km) |
| Hwlffordd to Montijo | 925.87 mi (1,490.04 km) |
| Hwlffordd to Mortagua | 800.55 mi (1,288.36 km) |
| Hwlffordd to Moura | 951.88 mi (1,531.90 km) |
| Hwlffordd to Murtosa | 784.14 mi (1,261.94 km) |
| Hwlffordd to Nazare | 865.45 mi (1,392.81 km) |
| Hwlffordd to Nelas | 791.52 mi (1,273.84 km) |
| Hwlffordd to Obidos | 882.80 mi (1,420.73 km) |
| Hwlffordd to Odemira | 998.29 mi (1,606.60 km) |
| Hwlffordd to Odivelas | 921.47 mi (1,482.97 km) |
| Hwlffordd to Oeiras | 930.19 mi (1,496.99 km) |
| Hwlffordd to Olhao | 1,030.36 mi (1,658.21 km) |
| Hwlffordd to Oliveira de Azemeis | 775.27 mi (1,247.68 km) |
