| Yiewsley to Montalegre | 753.24 mi (1,212.23 km) |
| Yiewsley to Montemor-o-Novo | 964.44 mi (1,552.12 km) |
| Yiewsley to Montemor-o-Velho | 876.68 mi (1,410.88 km) |
| Yiewsley to Montijo | 975.60 mi (1,570.07 km) |
| Yiewsley to Mortagua | 850.32 mi (1,368.45 km) |
| Yiewsley to Moura | 984.58 mi (1,584.53 km) |
| Yiewsley to Murtosa | 839.93 mi (1,351.73 km) |
| Yiewsley to Nazare | 920.71 mi (1,481.74 km) |
| Yiewsley to Nelas | 837.20 mi (1,347.34 km) |
| Yiewsley to Obidos | 937.97 mi (1,509.51 km) |
| Yiewsley to Odemira | 1,041.44 mi (1,676.03 km) |
| Yiewsley to Odivelas | 974.49 mi (1,568.30 km) |
| Yiewsley to Oeiras | 984.17 mi (1,583.87 km) |
| Yiewsley to Olhao | 1,063.97 mi (1,712.30 km) |
| Yiewsley to Oliveira de Azemeis | 829.77 mi (1,335.38 km) |
