| Oak Park to Oliveira de Frades | 3,972.73 mi (6,393.50 km) |
| Oak Park to Oliveira do Bairro | 3,965.17 mi (6,381.32 km) |
| Oak Park to Oliveira do Hospital | 3,999.66 mi (6,436.84 km) |
| Oak Park to Ourem | 3,992.01 mi (6,424.52 km) |
| Oak Park to Ovar | 3,947.15 mi (6,352.32 km) |
| Oak Park to Pacos de Ferreira | 3,944.16 mi (6,347.52 km) |
| Oak Park to Palmela | 4,014.48 mi (6,460.68 km) |
| Oak Park to Paredes | 3,949.44 mi (6,356.02 km) |
| Oak Park to Paredes de Coura | 3,915.11 mi (6,300.77 km) |
| Oak Park to Penacova | 3,983.52 mi (6,410.85 km) |
| Oak Park to Penafiel | 3,951.47 mi (6,359.28 km) |
| Oak Park to Peniche | 3,965.51 mi (6,381.87 km) |
| Oak Park to Peso da Regua | 3,975.82 mi (6,398.46 km) |
| Oak Park to Pinhal Novo | 4,011.57 mi (6,455.99 km) |
| Oak Park to Pinhel | 4,021.07 mi (6,471.29 km) |
