The calculated distance (air line) between Merano and Reggio nell'Emilia is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Reggio nell'Emilia is certainly longer, as only the direct route (as the crow flies) between Merano and Reggio nell'Emilia has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles