| Overlea to Oliveira de Frades | 3,519.91 mi (5,664.76 km) |
| Overlea to Oliveira do Bairro | 3,509.79 mi (5,648.46 km) |
| Overlea to Oliveira do Hospital | 3,544.94 mi (5,705.02 km) |
| Overlea to Ourem | 3,529.57 mi (5,680.29 km) |
| Overlea to Ovar | 3,494.21 mi (5,623.38 km) |
| Overlea to Pacos de Ferreira | 3,495.18 mi (5,624.95 km) |
| Overlea to Palmela | 3,542.72 mi (5,701.45 km) |
| Overlea to Paredes | 3,500.11 mi (5,632.89 km) |
| Overlea to Paredes de Coura | 3,471.03 mi (5,586.08 km) |
| Overlea to Penacova | 3,526.82 mi (5,675.87 km) |
| Overlea to Penafiel | 3,502.34 mi (5,636.47 km) |
| Overlea to Peniche | 3,498.33 mi (5,630.03 km) |
| Overlea to Peso da Regua | 3,527.86 mi (5,677.54 km) |
| Overlea to Pinhal Novo | 3,540.25 mi (5,697.48 km) |
| Overlea to Pinhel | 3,572.15 mi (5,748.82 km) |
