| Piran to Oliveira de Frades | 1,142.13 mi (1,838.08 km) |
| Piran to Oliveira do Bairro | 1,162.97 mi (1,871.61 km) |
| Piran to Oliveira do Hospital | 1,137.19 mi (1,830.14 km) |
| Piran to Ourem | 1,192.30 mi (1,918.81 km) |
| Piran to Ovar | 1,159.47 mi (1,865.99 km) |
| Piran to Pacos de Ferreira | 1,137.51 mi (1,830.64 km) |
| Piran to Palmela | 1,243.79 mi (2,001.68 km) |
| Piran to Paredes | 1,136.07 mi (1,828.32 km) |
| Piran to Paredes de Coura | 1,129.08 mi (1,817.08 km) |
| Piran to Penacova | 1,159.84 mi (1,866.57 km) |
| Piran to Penafiel | 1,133.54 mi (1,824.26 km) |
| Piran to Peniche | 1,239.70 mi (1,995.11 km) |
| Piran to Peso da Regua | 1,110.29 mi (1,786.83 km) |
| Piran to Pinhal Novo | 1,242.23 mi (1,999.17 km) |
| Piran to Pinhel | 1,086.96 mi (1,749.30 km) |
