| Greenford to Montalegre | 756.90 mi (1,218.12 km) |
| Greenford to Montemor-o-Novo | 967.80 mi (1,557.52 km) |
| Greenford to Montemor-o-Velho | 880.32 mi (1,416.73 km) |
| Greenford to Montijo | 979.11 mi (1,575.72 km) |
| Greenford to Mortagua | 853.89 mi (1,374.20 km) |
| Greenford to Moura | 987.71 mi (1,589.56 km) |
| Greenford to Murtosa | 843.63 mi (1,357.68 km) |
| Greenford to Nazare | 924.36 mi (1,487.61 km) |
| Greenford to Nelas | 840.69 mi (1,352.96 km) |
| Greenford to Obidos | 941.60 mi (1,515.37 km) |
| Greenford to Odemira | 1,044.77 mi (1,681.40 km) |
| Greenford to Odivelas | 978.07 mi (1,574.05 km) |
| Greenford to Oeiras | 987.77 mi (1,589.66 km) |
| Greenford to Olhao | 1,067.09 mi (1,717.31 km) |
| Greenford to Oliveira de Azemeis | 833.45 mi (1,341.30 km) |
