| Soma to Montalegre | 1,855.45 mi (2,986.05 km) |
| Soma to Montemor-o-Novo | 1,913.56 mi (3,079.57 km) |
| Soma to Montemor-o-Velho | 1,917.61 mi (3,086.10 km) |
| Soma to Montijo | 1,949.03 mi (3,136.66 km) |
| Soma to Mortagua | 1,891.18 mi (3,043.55 km) |
| Soma to Moura | 1,881.07 mi (3,027.29 km) |
| Soma to Murtosa | 1,908.67 mi (3,071.70 km) |
| Soma to Nazare | 1,944.72 mi (3,129.73 km) |
| Soma to Nelas | 1,870.37 mi (3,010.08 km) |
| Soma to Obidos | 1,952.77 mi (3,142.67 km) |
| Soma to Odemira | 1,952.88 mi (3,142.86 km) |
| Soma to Odivelas | 1,962.12 mi (3,157.72 km) |
| Soma to Oeiras | 1,970.95 mi (3,171.93 km) |
| Soma to Olhao | 1,920.81 mi (3,091.25 km) |
| Soma to Oliveira de Azemeis | 1,899.37 mi (3,056.74 km) |
