The calculated distance (air line) between Monóvar and Sant Joan d'Alacant is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Sant Joan d'Alacant is certainly longer, as only the direct route (as the crow flies) between Monóvar and Sant Joan d'Alacant has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles