| Corvallis to Oliveira de Frades | 5,304.62 mi (8,536.96 km) |
| Corvallis to Oliveira do Bairro | 5,303.94 mi (8,535.86 km) |
| Corvallis to Oliveira do Hospital | 5,334.30 mi (8,584.73 km) |
| Corvallis to Ourem | 5,346.38 mi (8,604.17 km) |
| Corvallis to Ovar | 5,281.24 mi (8,499.33 km) |
| Corvallis to Pacos de Ferreira | 5,268.70 mi (8,479.16 km) |
| Corvallis to Palmela | 5,390.55 mi (8,675.25 km) |
| Corvallis to Paredes | 5,274.45 mi (8,488.41 km) |
| Corvallis to Paredes de Coura | 5,229.84 mi (8,416.62 km) |
| Corvallis to Penacova | 5,324.22 mi (8,568.51 km) |
| Corvallis to Penafiel | 5,275.84 mi (8,490.65 km) |
| Corvallis to Peniche | 5,333.47 mi (8,583.38 km) |
| Corvallis to Peso da Regua | 5,295.44 mi (8,522.19 km) |
| Corvallis to Pinhal Novo | 5,386.72 mi (8,669.09 km) |
| Corvallis to Pinhel | 5,339.67 mi (8,593.38 km) |
