| Ribera to Montemor-o-Novo | 1,168.43 mi (1,880.41 km) |
| Ribera to Montemor-o-Velho | 1,192.45 mi (1,919.07 km) |
| Ribera to Montijo | 1,205.13 mi (1,939.47 km) |
| Ribera to Mortagua | 1,169.54 mi (1,882.19 km) |
| Ribera to Moura | 1,129.17 mi (1,817.23 km) |
| Ribera to Murtosa | 1,191.71 mi (1,917.87 km) |
| Ribera to Nazare | 1,212.24 mi (1,950.91 km) |
| Ribera to Nelas | 1,149.76 mi (1,850.36 km) |
| Ribera to Obidos | 1,217.29 mi (1,959.03 km) |
| Ribera to Odemira | 1,196.98 mi (1,926.35 km) |
| Ribera to Odivelas | 1,219.80 mi (1,963.08 km) |
| Ribera to Oeiras | 1,227.57 mi (1,975.58 km) |
| Ribera to Olhao | 1,158.63 mi (1,864.63 km) |
| Ribera to Oliveira de Azemeis | 1,183.95 mi (1,905.38 km) |
| Ribera to Oliveira de Frades | 1,168.12 mi (1,879.91 km) |
