| Darlington to Oliveira de Frades | 1,001.83 mi (1,612.29 km) |
| Darlington to Oliveira do Bairro | 1,019.64 mi (1,640.95 km) |
| Darlington to Oliveira do Hospital | 1,021.35 mi (1,643.70 km) |
| Darlington to Ourem | 1,078.26 mi (1,735.29 km) |
| Darlington to Ovar | 998.39 mi (1,606.76 km) |
| Darlington to Pacos de Ferreira | 968.43 mi (1,558.54 km) |
| Darlington to Palmela | 1,155.18 mi (1,859.08 km) |
| Darlington to Paredes | 971.87 mi (1,564.07 km) |
| Darlington to Paredes de Coura | 928.26 mi (1,493.89 km) |
| Darlington to Penacova | 1,032.94 mi (1,662.35 km) |
| Darlington to Penafiel | 970.75 mi (1,562.27 km) |
| Darlington to Peniche | 1,109.89 mi (1,786.20 km) |
| Darlington to Peso da Regua | 966.33 mi (1,555.15 km) |
| Darlington to Pinhal Novo | 1,151.08 mi (1,852.48 km) |
| Darlington to Pinhel | 982.91 mi (1,581.83 km) |
