The calculated distance (air line) between Gravina di Catania and Reggio Calabria is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Reggio Calabria is certainly longer, as only the direct route (as the crow flies) between Gravina di Catania and Reggio Calabria has been calculated here.
Air line (approximately)
81 kilometers
43 nautical miles