| Castellabate to Alfena | 1,226.80 mi (1,974.34 km) |
| Castellabate to Alijo | 1,172.20 mi (1,886.48 km) |
| Castellabate to Aljustrel | 1,246.79 mi (2,006.51 km) |
| Castellabate to Almada | 1,286.59 mi (2,070.56 km) |
| Castellabate to Almargem | 1,290.07 mi (2,076.17 km) |
| Castellabate to Almeirim | 1,250.77 mi (2,012.92 km) |
| Castellabate to Amadora | 1,289.74 mi (2,075.64 km) |
| Castellabate to Amarante | 1,202.89 mi (1,935.87 km) |
| Castellabate to Amares | 1,215.03 mi (1,955.40 km) |
| Castellabate to Amora | 1,285.33 mi (2,068.54 km) |
| Castellabate to Anadia | 1,227.74 mi (1,975.86 km) |
| Castellabate to Angra do Heroismo | 2,230.67 mi (3,589.92 km) |
| Castellabate to Ansiao | 1,232.67 mi (1,983.80 km) |
| Castellabate to Anta | 1,233.37 mi (1,984.92 km) |
| Castellabate to Arcos de Valdevez | 1,218.57 mi (1,961.10 km) |
