| Reston to Oliveira de Frades | 3,572.28 mi (5,749.02 km) |
| Reston to Oliveira do Bairro | 3,562.11 mi (5,732.66 km) |
| Reston to Oliveira do Hospital | 3,597.26 mi (5,789.23 km) |
| Reston to Ourem | 3,581.74 mi (5,764.26 km) |
| Reston to Ovar | 3,546.57 mi (5,707.65 km) |
| Reston to Pacos de Ferreira | 3,547.61 mi (5,709.33 km) |
| Reston to Palmela | 3,594.67 mi (5,785.07 km) |
| Reston to Paredes | 3,552.53 mi (5,717.25 km) |
| Reston to Paredes de Coura | 3,523.53 mi (5,670.58 km) |
| Reston to Penacova | 3,579.11 mi (5,760.02 km) |
| Reston to Penafiel | 3,554.76 mi (5,720.84 km) |
| Reston to Peniche | 3,550.41 mi (5,713.83 km) |
| Reston to Peso da Regua | 3,580.30 mi (5,761.94 km) |
| Reston to Pinhal Novo | 3,592.21 mi (5,781.11 km) |
| Reston to Pinhel | 3,624.57 mi (5,833.18 km) |
