| Isbergues to Montemor-o-Novo | 977.46 mi (1,573.06 km) |
| Isbergues to Montemor-o-Velho | 900.18 mi (1,448.70 km) |
| Isbergues to Montijo | 993.59 mi (1,599.03 km) |
| Isbergues to Mortagua | 871.86 mi (1,403.12 km) |
| Isbergues to Moura | 990.00 mi (1,593.25 km) |
| Isbergues to Murtosa | 866.11 mi (1,393.87 km) |
| Isbergues to Nazare | 944.11 mi (1,519.41 km) |
| Isbergues to Nelas | 856.23 mi (1,377.97 km) |
| Isbergues to Obidos | 960.84 mi (1,546.32 km) |
| Isbergues to Odemira | 1,053.11 mi (1,694.82 km) |
| Isbergues to Odivelas | 994.89 mi (1,601.13 km) |
| Isbergues to Oeiras | 1,005.03 mi (1,617.44 km) |
| Isbergues to Olhao | 1,068.23 mi (1,719.15 km) |
| Isbergues to Oliveira de Azemeis | 855.36 mi (1,376.57 km) |
| Isbergues to Oliveira de Frades | 853.99 mi (1,374.37 km) |
