| South Valley to Oliveira de Frades | 5,084.63 mi (8,182.92 km) |
| South Valley to Oliveira do Bairro | 5,077.98 mi (8,172.22 km) |
| South Valley to Oliveira do Hospital | 5,112.12 mi (8,227.16 km) |
| South Valley to Ourem | 5,107.05 mi (8,219.01 km) |
| South Valley to Ovar | 5,059.19 mi (8,141.98 km) |
| South Valley to Pacos de Ferreira | 5,054.79 mi (8,134.89 km) |
| South Valley to Palmela | 5,132.19 mi (8,259.46 km) |
| South Valley to Paredes | 5,060.17 mi (8,143.56 km) |
| South Valley to Paredes de Coura | 5,024.02 mi (8,085.39 km) |
| South Valley to Penacova | 5,096.71 mi (8,202.37 km) |
| South Valley to Penafiel | 5,062.12 mi (8,146.70 km) |
| South Valley to Peniche | 5,082.06 mi (8,178.79 km) |
| South Valley to Peso da Regua | 5,085.92 mi (8,185.00 km) |
| South Valley to Pinhal Novo | 5,129.16 mi (8,254.59 km) |
| South Valley to Pinhel | 5,131.34 mi (8,258.09 km) |
