| Wealdstone to Oliveira de Frades | 839.15 mi (1,350.48 km) |
| Wealdstone to Oliveira do Bairro | 858.53 mi (1,381.66 km) |
| Wealdstone to Oliveira do Hospital | 855.30 mi (1,376.48 km) |
| Wealdstone to Ourem | 914.84 mi (1,472.30 km) |
| Wealdstone to Ovar | 839.47 mi (1,351.00 km) |
| Wealdstone to Pacos de Ferreira | 809.30 mi (1,302.43 km) |
| Wealdstone to Palmela | 990.86 mi (1,594.63 km) |
| Wealdstone to Paredes | 811.98 mi (1,306.76 km) |
| Wealdstone to Paredes de Coura | 773.01 mi (1,244.04 km) |
| Wealdstone to Penacova | 869.51 mi (1,399.34 km) |
| Wealdstone to Penafiel | 810.52 mi (1,304.41 km) |
| Wealdstone to Peniche | 950.88 mi (1,530.29 km) |
| Wealdstone to Peso da Regua | 802.23 mi (1,291.07 km) |
| Wealdstone to Pinhal Novo | 987.02 mi (1,588.45 km) |
| Wealdstone to Pinhel | 812.65 mi (1,307.83 km) |
