| Shoreline to Oliveira de Frades | 5,118.16 mi (8,236.89 km) |
| Shoreline to Oliveira do Bairro | 5,118.19 mi (8,236.93 km) |
| Shoreline to Oliveira do Hospital | 5,147.95 mi (8,284.83 km) |
| Shoreline to Ourem | 5,162.02 mi (8,307.47 km) |
| Shoreline to Ovar | 5,095.14 mi (8,199.84 km) |
| Shoreline to Pacos de Ferreira | 5,081.72 mi (8,178.23 km) |
| Shoreline to Palmela | 5,208.29 mi (8,381.93 km) |
| Shoreline to Paredes | 5,087.48 mi (8,187.50 km) |
| Shoreline to Paredes de Coura | 5,042.12 mi (8,114.50 km) |
| Shoreline to Penacova | 5,138.56 mi (8,269.71 km) |
| Shoreline to Penafiel | 5,088.80 mi (8,189.63 km) |
| Shoreline to Peniche | 5,150.65 mi (8,289.17 km) |
| Shoreline to Peso da Regua | 5,107.80 mi (8,220.22 km) |
| Shoreline to Pinhal Novo | 5,204.38 mi (8,375.64 km) |
| Shoreline to Pinhel | 5,151.68 mi (8,290.83 km) |
