| River Falls to Oliveira de Frades | 4,089.70 mi (6,581.74 km) |
| River Falls to Oliveira do Bairro | 4,083.93 mi (6,572.46 km) |
| River Falls to Oliveira do Hospital | 4,117.66 mi (6,626.74 km) |
| River Falls to Ourem | 4,115.35 mi (6,623.01 km) |
| River Falls to Ovar | 4,064.44 mi (6,541.09 km) |
| River Falls to Pacos de Ferreira | 4,058.82 mi (6,532.04 km) |
| River Falls to Palmela | 4,144.06 mi (6,669.23 km) |
| River Falls to Paredes | 4,064.29 mi (6,540.84 km) |
| River Falls to Paredes de Coura | 4,026.79 mi (6,480.49 km) |
| River Falls to Penacova | 4,103.01 mi (6,603.15 km) |
| River Falls to Penafiel | 4,066.16 mi (6,543.86 km) |
| River Falls to Peniche | 4,092.34 mi (6,585.99 km) |
| River Falls to Peso da Regua | 4,089.49 mi (6,581.39 km) |
| River Falls to Pinhal Novo | 4,140.87 mi (6,664.08 km) |
| River Falls to Pinhel | 4,134.95 mi (6,654.56 km) |
