| Didcot to Oliveira de Frades | 821.56 mi (1,322.18 km) |
| Didcot to Oliveira do Bairro | 840.53 mi (1,352.70 km) |
| Didcot to Oliveira do Hospital | 838.76 mi (1,349.86 km) |
| Didcot to Ourem | 897.62 mi (1,444.58 km) |
| Didcot to Ovar | 820.82 mi (1,320.98 km) |
| Didcot to Pacos de Ferreira | 790.63 mi (1,272.39 km) |
| Didcot to Palmela | 974.03 mi (1,567.55 km) |
| Didcot to Paredes | 793.53 mi (1,277.07 km) |
| Didcot to Paredes de Coura | 753.19 mi (1,212.14 km) |
| Didcot to Penacova | 852.21 mi (1,371.49 km) |
| Didcot to Penafiel | 792.17 mi (1,274.87 km) |
| Didcot to Peniche | 932.47 mi (1,500.66 km) |
| Didcot to Peso da Regua | 784.98 mi (1,263.31 km) |
| Didcot to Pinhal Novo | 970.11 mi (1,561.24 km) |
| Didcot to Pinhel | 797.36 mi (1,283.23 km) |
