| Riverbank to Montalegre | 5,516.85 mi (8,878.52 km) |
| Riverbank to Montemor-o-Novo | 5,648.28 mi (9,090.02 km) |
| Riverbank to Montemor-o-Velho | 5,559.33 mi (8,946.88 km) |
| Riverbank to Montijo | 5,619.47 mi (9,043.67 km) |
| Riverbank to Mortagua | 5,564.53 mi (8,955.25 km) |
| Riverbank to Moura | 5,703.00 mi (9,178.09 km) |
| Riverbank to Murtosa | 5,535.06 mi (8,907.82 km) |
| Riverbank to Nazare | 5,570.43 mi (8,964.74 km) |
| Riverbank to Nelas | 5,575.52 mi (8,972.94 km) |
| Riverbank to Obidos | 5,577.98 mi (8,976.89 km) |
| Riverbank to Odemira | 5,681.31 mi (9,143.19 km) |
| Riverbank to Odivelas | 5,603.33 mi (9,017.68 km) |
| Riverbank to Oeiras | 5,602.77 mi (9,016.79 km) |
| Riverbank to Olhao | 5,739.43 mi (9,236.72 km) |
| Riverbank to Oliveira de Azemeis | 5,536.27 mi (8,909.76 km) |
