| Croydon to Oliveira de Frades | 830.68 mi (1,336.85 km) |
| Croydon to Oliveira do Bairro | 850.24 mi (1,368.32 km) |
| Croydon to Oliveira do Hospital | 846.35 mi (1,362.07 km) |
| Croydon to Ourem | 906.16 mi (1,458.33 km) |
| Croydon to Ovar | 831.51 mi (1,338.19 km) |
| Croydon to Pacos de Ferreira | 801.35 mi (1,289.65 km) |
| Croydon to Palmela | 981.96 mi (1,580.32 km) |
| Croydon to Paredes | 803.94 mi (1,293.81 km) |
| Croydon to Paredes de Coura | 765.65 mi (1,232.20 km) |
| Croydon to Penacova | 860.89 mi (1,385.47 km) |
| Croydon to Penafiel | 802.43 mi (1,291.39 km) |
| Croydon to Peniche | 942.73 mi (1,517.18 km) |
| Croydon to Peso da Regua | 793.63 mi (1,277.23 km) |
| Croydon to Pinhal Novo | 978.17 mi (1,574.21 km) |
| Croydon to Pinhel | 803.17 mi (1,292.58 km) |
