| Houilles to Montemor-o-Novo | 877.75 mi (1,412.59 km) |
| Houilles to Montemor-o-Velho | 806.42 mi (1,297.80 km) |
| Houilles to Montijo | 896.15 mi (1,442.22 km) |
| Houilles to Mortagua | 777.35 mi (1,251.02 km) |
| Houilles to Moura | 886.80 mi (1,427.17 km) |
| Houilles to Murtosa | 774.18 mi (1,245.92 km) |
| Houilles to Nazare | 849.87 mi (1,367.73 km) |
| Houilles to Nelas | 760.58 mi (1,224.03 km) |
| Houilles to Obidos | 866.17 mi (1,393.96 km) |
| Houilles to Odemira | 952.28 mi (1,532.55 km) |
| Houilles to Odivelas | 898.66 mi (1,446.25 km) |
| Houilles to Oeiras | 908.95 mi (1,462.82 km) |
| Houilles to Olhao | 964.10 mi (1,551.57 km) |
| Houilles to Oliveira de Azemeis | 763.22 mi (1,228.29 km) |
| Houilles to Oliveira de Frades | 760.29 mi (1,223.56 km) |
