| Knowsley to Oliveira de Frades | 914.21 mi (1,471.27 km) |
| Knowsley to Oliveira do Bairro | 931.69 mi (1,499.42 km) |
| Knowsley to Oliveira do Hospital | 934.34 mi (1,503.68 km) |
| Knowsley to Ourem | 990.61 mi (1,594.23 km) |
| Knowsley to Ovar | 910.12 mi (1,464.70 km) |
| Knowsley to Pacos de Ferreira | 880.27 mi (1,416.65 km) |
| Knowsley to Palmela | 1,067.56 mi (1,718.08 km) |
| Knowsley to Paredes | 883.82 mi (1,422.37 km) |
| Knowsley to Paredes de Coura | 839.58 mi (1,351.17 km) |
| Knowsley to Penacova | 945.39 mi (1,521.45 km) |
| Knowsley to Penafiel | 882.76 mi (1,420.67 km) |
| Knowsley to Peniche | 1,021.43 mi (1,643.84 km) |
| Knowsley to Peso da Regua | 879.06 mi (1,414.71 km) |
| Knowsley to Pinhal Novo | 1,063.42 mi (1,711.42 km) |
| Knowsley to Pinhel | 896.94 mi (1,443.48 km) |
