| Porvoo to Oliveira do Bairro | 1,995.60 mi (3,211.61 km) |
| Porvoo to Oliveira do Hospital | 1,985.41 mi (3,195.21 km) |
| Porvoo to Ourem | 2,046.88 mi (3,294.13 km) |
| Porvoo to Ovar | 1,979.89 mi (3,186.32 km) |
| Porvoo to Pacos de Ferreira | 1,950.35 mi (3,138.78 km) |
| Porvoo to Palmela | 2,119.03 mi (3,410.25 km) |
| Porvoo to Paredes | 1,952.06 mi (3,141.54 km) |
| Porvoo to Paredes de Coura | 1,919.28 mi (3,088.78 km) |
| Porvoo to Penacova | 2,003.03 mi (3,223.56 km) |
| Porvoo to Penafiel | 1,950.23 mi (3,138.59 km) |
| Porvoo to Peniche | 2,088.02 mi (3,360.34 km) |
| Porvoo to Peso da Regua | 1,937.18 mi (3,117.58 km) |
| Porvoo to Pinhal Novo | 2,115.74 mi (3,404.95 km) |
| Porvoo to Pinhel | 1,937.55 mi (3,118.19 km) |
| Porvoo to Pombal | 2,033.54 mi (3,272.67 km) |
