| River Ridge to Oliveira de Frades | 4,516.75 mi (7,269.00 km) |
| River Ridge to Oliveira do Bairro | 4,505.62 mi (7,251.09 km) |
| River Ridge to Oliveira do Hospital | 4,540.86 mi (7,307.81 km) |
| River Ridge to Ourem | 4,522.15 mi (7,277.71 km) |
| River Ridge to Ovar | 4,491.11 mi (7,227.74 km) |
| River Ridge to Pacos de Ferreira | 4,493.63 mi (7,231.80 km) |
| River Ridge to Palmela | 4,530.55 mi (7,291.21 km) |
| River Ridge to Paredes | 4,498.40 mi (7,239.48 km) |
| River Ridge to Paredes de Coura | 4,471.35 mi (7,195.95 km) |
| River Ridge to Penacova | 4,522.00 mi (7,277.46 km) |
| River Ridge to Penafiel | 4,500.69 mi (7,243.16 km) |
| River Ridge to Peniche | 4,488.81 mi (7,224.04 km) |
| River Ridge to Peso da Regua | 4,526.55 mi (7,284.77 km) |
| River Ridge to Pinhal Novo | 4,528.33 mi (7,287.64 km) |
| River Ridge to Pinhel | 4,570.27 mi (7,355.14 km) |
