The calculated distance (air line) between Benicàssim and Castelló de la Plana is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Castelló de la Plana is certainly longer, as only the direct route (as the crow flies) between Benicàssim and Castelló de la Plana has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles