| Castelli Calepio to Montemor-o-Novo | 1,042.76 mi (1,678.15 km) |
| Castelli Calepio to Montemor-o-Velho | 1,010.60 mi (1,626.41 km) |
| Castelli Calepio to Montijo | 1,072.42 mi (1,725.89 km) |
| Castelli Calepio to Mortagua | 981.04 mi (1,578.83 km) |
| Castelli Calepio to Moura | 1,028.82 mi (1,655.72 km) |
| Castelli Calepio to Murtosa | 990.43 mi (1,593.94 km) |
| Castelli Calepio to Nazare | 1,047.30 mi (1,685.47 km) |
| Castelli Calepio to Nelas | 960.51 mi (1,545.79 km) |
| Castelli Calepio to Obidos | 1,059.86 mi (1,705.69 km) |
| Castelli Calepio to Odemira | 1,103.38 mi (1,775.72 km) |
| Castelli Calepio to Odivelas | 1,081.20 mi (1,740.02 km) |
| Castelli Calepio to Oeiras | 1,091.38 mi (1,756.41 km) |
| Castelli Calepio to Olhao | 1,092.10 mi (1,757.56 km) |
| Castelli Calepio to Oliveira de Azemeis | 979.75 mi (1,576.76 km) |
| Castelli Calepio to Oliveira de Frades | 969.81 mi (1,560.77 km) |
