| Ostend to Oliveira do Bairro | 919.29 mi (1,479.45 km) |
| Ostend to Oliveira do Hospital | 910.91 mi (1,465.97 km) |
| Ostend to Ourem | 972.08 mi (1,564.41 km) |
| Ostend to Ovar | 902.86 mi (1,453.01 km) |
| Ostend to Pacos de Ferreira | 873.14 mi (1,405.19 km) |
| Ostend to Palmela | 1,045.78 mi (1,683.03 km) |
| Ostend to Paredes | 875.02 mi (1,408.21 km) |
| Ostend to Paredes de Coura | 841.50 mi (1,354.26 km) |
| Ostend to Penacova | 927.63 mi (1,492.88 km) |
| Ostend to Penafiel | 873.25 mi (1,405.36 km) |
| Ostend to Peniche | 1,011.97 mi (1,628.60 km) |
| Ostend to Peso da Regua | 861.16 mi (1,385.90 km) |
| Ostend to Pinhal Novo | 1,042.29 mi (1,677.40 km) |
| Ostend to Pinhel | 864.45 mi (1,391.19 km) |
| Ostend to Pombal | 958.04 mi (1,541.82 km) |
