| Diemen to Oliveira do Bairro | 1,034.72 mi (1,665.22 km) |
| Diemen to Oliveira do Hospital | 1,025.78 mi (1,650.84 km) |
| Diemen to Ourem | 1,087.06 mi (1,749.46 km) |
| Diemen to Ovar | 1,018.54 mi (1,639.18 km) |
| Diemen to Pacos de Ferreira | 988.89 mi (1,591.47 km) |
| Diemen to Palmela | 1,160.37 mi (1,867.43 km) |
| Diemen to Paredes | 990.70 mi (1,594.39 km) |
| Diemen to Paredes de Coura | 957.56 mi (1,541.04 km) |
| Diemen to Penacova | 1,042.78 mi (1,678.18 km) |
| Diemen to Penafiel | 988.91 mi (1,591.50 km) |
| Diemen to Peniche | 1,127.33 mi (1,814.27 km) |
| Diemen to Peso da Regua | 976.48 mi (1,571.49 km) |
| Diemen to Pinhal Novo | 1,156.93 mi (1,861.89 km) |
| Diemen to Pinhel | 978.90 mi (1,575.38 km) |
| Diemen to Pombal | 1,073.22 mi (1,727.19 km) |
