The calculated distance (air line) between Castelló de la Plana and l'Alcora is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to l'Alcora is certainly longer, as only the direct route (as the crow flies) between Castelló de la Plana and l'Alcora has been calculated here.
Air line (approximately)
16 kilometers
8 nautical miles