| Catalca to Montalegre | 1,863.16 mi (2,998.46 km) |
| Catalca to Montemor-o-Novo | 1,937.59 mi (3,118.25 km) |
| Catalca to Montemor-o-Velho | 1,933.44 mi (3,111.57 km) |
| Catalca to Montijo | 1,972.18 mi (3,173.92 km) |
| Catalca to Mortagua | 1,905.99 mi (3,067.39 km) |
| Catalca to Moura | 1,908.55 mi (3,071.52 km) |
| Catalca to Murtosa | 1,921.59 mi (3,092.51 km) |
| Catalca to Nazare | 1,963.11 mi (3,159.32 km) |
| Catalca to Nelas | 1,885.05 mi (3,033.70 km) |
| Catalca to Obidos | 1,972.29 mi (3,174.09 km) |
| Catalca to Odemira | 1,981.76 mi (3,189.34 km) |
| Catalca to Odivelas | 1,984.45 mi (3,193.67 km) |
| Catalca to Oeiras | 1,993.67 mi (3,208.51 km) |
| Catalca to Olhao | 1,953.37 mi (3,143.65 km) |
| Catalca to Oliveira de Azemeis | 1,911.86 mi (3,076.84 km) |
