The calculated distance (air line) between Reggio Calabria and Gioia Tauro is approximately 25 miles respectively 41 kilometers.
By car or train, the actual journey to Gioia Tauro is certainly longer, as only the direct route (as the crow flies) between Reggio Calabria and Gioia Tauro has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles