| Ottersberg to Montemor-o-Novo | 1,294.76 mi (2,083.72 km) |
| Ottersberg to Montemor-o-Velho | 1,223.94 mi (1,969.74 km) |
| Ottersberg to Montijo | 1,313.67 mi (2,114.15 km) |
| Ottersberg to Mortagua | 1,194.94 mi (1,923.07 km) |
| Ottersberg to Moura | 1,302.10 mi (2,095.53 km) |
| Ottersberg to Murtosa | 1,191.36 mi (1,917.30 km) |
| Ottersberg to Nazare | 1,267.46 mi (2,039.78 km) |
| Ottersberg to Nelas | 1,178.22 mi (1,896.17 km) |
| Ottersberg to Obidos | 1,283.79 mi (2,066.06 km) |
| Ottersberg to Odemira | 1,368.79 mi (2,202.85 km) |
| Ottersberg to Odivelas | 1,316.29 mi (2,118.36 km) |
| Ottersberg to Oeiras | 1,326.59 mi (2,134.94 km) |
| Ottersberg to Olhao | 1,378.52 mi (2,218.51 km) |
| Ottersberg to Oliveira de Azemeis | 1,180.44 mi (1,899.73 km) |
| Ottersberg to Oliveira de Frades | 1,177.78 mi (1,895.46 km) |
