The calculated distance (air line) between Messina and Castellammare di Stabia is approximately 182 miles respectively 294 kilometers.
By car or train, the actual journey to Castellammare di Stabia is certainly longer, as only the direct route (as the crow flies) between Messina and Castellammare di Stabia has been calculated here.
Air line (approximately)
294 kilometers
158 nautical miles