| Willebroek to Oliveira do Bairro | 954.06 mi (1,535.40 km) |
| Willebroek to Oliveira do Hospital | 943.69 mi (1,518.73 km) |
| Willebroek to Ourem | 1,005.15 mi (1,617.64 km) |
| Willebroek to Ovar | 938.75 mi (1,510.77 km) |
| Willebroek to Pacos de Ferreira | 909.40 mi (1,463.54 km) |
| Willebroek to Palmela | 1,077.55 mi (1,734.15 km) |
| Willebroek to Paredes | 910.95 mi (1,466.04 km) |
| Willebroek to Paredes de Coura | 879.75 mi (1,415.81 km) |
| Willebroek to Penacova | 961.31 mi (1,547.08 km) |
| Willebroek to Penafiel | 909.07 mi (1,463.01 km) |
| Willebroek to Peniche | 1,046.37 mi (1,683.97 km) |
| Willebroek to Peso da Regua | 895.57 mi (1,441.28 km) |
| Willebroek to Pinhal Novo | 1,074.21 mi (1,728.78 km) |
| Willebroek to Pinhel | 896.02 mi (1,442.01 km) |
| Willebroek to Pombal | 991.82 mi (1,596.19 km) |
