| Loudoun Valley Estates to Oliveira de Frades | 3,579.18 mi (5,760.14 km) |
| Loudoun Valley Estates to Oliveira do Bairro | 3,569.05 mi (5,743.82 km) |
| Loudoun Valley Estates to Oliveira do Hospital | 3,604.19 mi (5,800.39 km) |
| Loudoun Valley Estates to Ourem | 3,588.78 mi (5,775.58 km) |
| Loudoun Valley Estates to Ovar | 3,553.47 mi (5,718.76 km) |
| Loudoun Valley Estates to Pacos de Ferreira | 3,554.46 mi (5,720.35 km) |
| Loudoun Valley Estates to Palmela | 3,601.83 mi (5,796.59 km) |
| Loudoun Valley Estates to Paredes | 3,559.39 mi (5,728.29 km) |
| Loudoun Valley Estates to Paredes de Coura | 3,530.32 mi (5,681.49 km) |
| Loudoun Valley Estates to Penacova | 3,586.07 mi (5,771.22 km) |
| Loudoun Valley Estates to Penafiel | 3,561.62 mi (5,731.87 km) |
| Loudoun Valley Estates to Peniche | 3,557.50 mi (5,725.25 km) |
| Loudoun Valley Estates to Peso da Regua | 3,587.14 mi (5,772.95 km) |
| Loudoun Valley Estates to Pinhal Novo | 3,599.37 mi (5,792.62 km) |
| Loudoun Valley Estates to Pinhel | 3,631.43 mi (5,844.22 km) |
