| Mariehamn to Montemor-o-Novo | 1,919.88 mi (3,089.76 km) |
| Mariehamn to Montemor-o-Velho | 1,843.15 mi (2,966.27 km) |
| Mariehamn to Montijo | 1,936.63 mi (3,116.71 km) |
| Mariehamn to Mortagua | 1,814.94 mi (2,920.87 km) |
| Mariehamn to Moura | 1,930.23 mi (3,106.41 km) |
| Mariehamn to Murtosa | 1,808.69 mi (2,910.81 km) |
| Mariehamn to Nazare | 1,887.13 mi (3,037.05 km) |
| Mariehamn to Nelas | 1,799.37 mi (2,895.81 km) |
| Mariehamn to Obidos | 1,903.91 mi (3,064.04 km) |
| Mariehamn to Odemira | 1,995.05 mi (3,210.73 km) |
| Mariehamn to Odivelas | 1,938.03 mi (3,118.96 km) |
| Mariehamn to Oeiras | 1,948.17 mi (3,135.28 km) |
| Mariehamn to Olhao | 2,007.55 mi (3,230.83 km) |
| Mariehamn to Oliveira de Azemeis | 1,798.02 mi (2,893.63 km) |
| Mariehamn to Oliveira de Frades | 1,796.98 mi (2,891.96 km) |
