| Ovenden to Montalegre | 867.41 mi (1,395.96 km) |
| Ovenden to Montemor-o-Novo | 1,084.94 mi (1,746.04 km) |
| Ovenden to Montemor-o-Velho | 990.32 mi (1,593.76 km) |
| Ovenden to Montijo | 1,092.05 mi (1,757.49 km) |
| Ovenden to Mortagua | 966.05 mi (1,554.70 km) |
| Ovenden to Moura | 1,110.42 mi (1,787.05 km) |
| Ovenden to Murtosa | 952.07 mi (1,532.20 km) |
| Ovenden to Nazare | 1,033.64 mi (1,663.48 km) |
| Ovenden to Nelas | 955.17 mi (1,537.19 km) |
| Ovenden to Obidos | 1,051.05 mi (1,691.49 km) |
| Ovenden to Odemira | 1,161.93 mi (1,869.94 km) |
| Ovenden to Odivelas | 1,089.02 mi (1,752.62 km) |
| Ovenden to Oeiras | 1,098.18 mi (1,767.35 km) |
| Ovenden to Olhao | 1,189.70 mi (1,914.64 km) |
| Ovenden to Oliveira de Azemeis | 942.61 mi (1,516.98 km) |
