| River Forest to Oliveira de Frades | 3,973.82 mi (6,395.25 km) |
| River Forest to Oliveira do Bairro | 3,966.26 mi (6,383.08 km) |
| River Forest to Oliveira do Hospital | 4,000.76 mi (6,438.60 km) |
| River Forest to Ourem | 3,993.12 mi (6,426.31 km) |
| River Forest to Ovar | 3,948.24 mi (6,354.08 km) |
| River Forest to Pacos de Ferreira | 3,945.24 mi (6,349.25 km) |
| River Forest to Palmela | 4,015.62 mi (6,462.52 km) |
| River Forest to Paredes | 3,950.52 mi (6,357.75 km) |
| River Forest to Paredes de Coura | 3,916.18 mi (6,302.48 km) |
| River Forest to Penacova | 3,984.62 mi (6,412.62 km) |
| River Forest to Penafiel | 3,952.55 mi (6,361.02 km) |
| River Forest to Peniche | 3,966.64 mi (6,383.68 km) |
| River Forest to Peso da Regua | 3,976.90 mi (6,400.20 km) |
| River Forest to Pinhal Novo | 4,012.71 mi (6,457.83 km) |
| River Forest to Pinhel | 4,022.15 mi (6,473.03 km) |
