| Twin Rivers to Oliveira de Frades | 3,396.40 mi (5,465.98 km) |
| Twin Rivers to Oliveira do Bairro | 3,386.36 mi (5,449.82 km) |
| Twin Rivers to Oliveira do Hospital | 3,421.49 mi (5,506.36 km) |
| Twin Rivers to Ourem | 3,406.41 mi (5,482.08 km) |
| Twin Rivers to Ovar | 3,370.69 mi (5,424.60 km) |
| Twin Rivers to Pacos de Ferreira | 3,371.54 mi (5,425.98 km) |
| Twin Rivers to Palmela | 3,419.99 mi (5,503.94 km) |
| Twin Rivers to Paredes | 3,376.49 mi (5,433.93 km) |
| Twin Rivers to Paredes de Coura | 3,347.25 mi (5,386.88 km) |
| Twin Rivers to Penacova | 3,403.44 mi (5,477.31 km) |
| Twin Rivers to Penafiel | 3,378.71 mi (5,437.50 km) |
| Twin Rivers to Peniche | 3,375.37 mi (5,432.13 km) |
| Twin Rivers to Peso da Regua | 3,404.20 mi (5,478.54 km) |
| Twin Rivers to Pinhal Novo | 3,417.49 mi (5,499.92 km) |
| Twin Rivers to Pinhel | 3,448.53 mi (5,549.87 km) |
