| Overath to Montemor-o-Novo | 1,135.95 mi (1,828.13 km) |
| Overath to Montemor-o-Velho | 1,069.46 mi (1,721.13 km) |
| Overath to Montijo | 1,156.34 mi (1,860.95 km) |
| Overath to Mortagua | 1,040.05 mi (1,673.80 km) |
| Overath to Moura | 1,140.95 mi (1,836.18 km) |
| Overath to Murtosa | 1,038.27 mi (1,670.93 km) |
| Overath to Nazare | 1,112.49 mi (1,790.38 km) |
| Overath to Nelas | 1,022.62 mi (1,645.75 km) |
| Overath to Obidos | 1,128.47 mi (1,816.09 km) |
| Overath to Odemira | 1,208.96 mi (1,945.63 km) |
| Overath to Odivelas | 1,159.77 mi (1,866.47 km) |
| Overath to Oeiras | 1,170.15 mi (1,883.17 km) |
| Overath to Olhao | 1,216.50 mi (1,957.77 km) |
| Overath to Oliveira de Azemeis | 1,027.25 mi (1,653.20 km) |
| Overath to Oliveira de Frades | 1,023.51 mi (1,647.19 km) |
