| Gladbeck to Montemor-o-Novo | 1,154.86 mi (1,858.56 km) |
| Gladbeck to Montemor-o-Velho | 1,085.21 mi (1,746.48 km) |
| Gladbeck to Montijo | 1,174.13 mi (1,889.57 km) |
| Gladbeck to Mortagua | 1,056.07 mi (1,699.57 km) |
| Gladbeck to Moura | 1,161.80 mi (1,869.73 km) |
| Gladbeck to Murtosa | 1,053.08 mi (1,694.77 km) |
| Gladbeck to Nazare | 1,128.59 mi (1,816.28 km) |
| Gladbeck to Nelas | 1,039.13 mi (1,672.31 km) |
| Gladbeck to Obidos | 1,144.81 mi (1,842.40 km) |
| Gladbeck to Odemira | 1,228.69 mi (1,977.39 km) |
| Gladbeck to Odivelas | 1,176.97 mi (1,894.14 km) |
| Gladbeck to Oeiras | 1,187.29 mi (1,910.76 km) |
| Gladbeck to Olhao | 1,238.14 mi (1,992.59 km) |
| Gladbeck to Oliveira de Azemeis | 1,042.13 mi (1,677.14 km) |
| Gladbeck to Oliveira de Frades | 1,039.10 mi (1,672.28 km) |
