The calculated distance (air line) between Piano di Sorrento and Reggio Calabria is approximately 186 miles respectively 300 kilometers.
By car or train, the actual journey to Reggio Calabria is certainly longer, as only the direct route (as the crow flies) between Piano di Sorrento and Reggio Calabria has been calculated here.
Air line (approximately)
300 kilometers
162 nautical miles