| Houthulst to Oliveira do Bairro | 907.32 mi (1,460.19 km) |
| Houthulst to Oliveira do Hospital | 898.49 mi (1,445.98 km) |
| Houthulst to Ourem | 959.74 mi (1,544.55 km) |
| Houthulst to Ovar | 891.15 mi (1,434.18 km) |
| Houthulst to Pacos de Ferreira | 861.52 mi (1,386.48 km) |
| Houthulst to Palmela | 1,033.17 mi (1,662.73 km) |
| Houthulst to Paredes | 863.32 mi (1,389.38 km) |
| Houthulst to Paredes de Coura | 830.37 mi (1,336.36 km) |
| Houthulst to Penacova | 915.41 mi (1,473.22 km) |
| Houthulst to Penafiel | 861.52 mi (1,386.49 km) |
| Houthulst to Peniche | 999.94 mi (1,609.25 km) |
| Houthulst to Peso da Regua | 849.09 mi (1,366.47 km) |
| Houthulst to Pinhal Novo | 1,029.71 mi (1,657.16 km) |
| Houthulst to Pinhel | 851.74 mi (1,370.75 km) |
| Houthulst to Pombal | 945.86 mi (1,522.21 km) |
