| Castellabate to Montemor-o-Novo | 1,237.46 mi (1,991.50 km) |
| Castellabate to Montemor-o-Velho | 1,243.24 mi (2,000.79 km) |
| Castellabate to Montijo | 1,272.94 mi (2,048.61 km) |
| Castellabate to Mortagua | 1,217.31 mi (1,959.06 km) |
| Castellabate to Moura | 1,205.28 mi (1,939.71 km) |
| Castellabate to Murtosa | 1,235.74 mi (1,988.73 km) |
| Castellabate to Nazare | 1,269.41 mi (2,042.92 km) |
| Castellabate to Nelas | 1,196.61 mi (1,925.77 km) |
| Castellabate to Obidos | 1,277.16 mi (2,055.39 km) |
| Castellabate to Odemira | 1,277.44 mi (2,055.84 km) |
| Castellabate to Odivelas | 1,286.08 mi (2,069.75 km) |
| Castellabate to Oeiras | 1,294.88 mi (2,083.91 km) |
| Castellabate to Olhao | 1,246.67 mi (2,006.32 km) |
| Castellabate to Oliveira de Azemeis | 1,226.72 mi (1,974.22 km) |
| Castellabate to Oliveira de Frades | 1,212.44 mi (1,951.24 km) |
