The calculated distance (air line) between Manerbio and Reggio nell'Emilia is approximately 51 miles respectively 83 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 Manerbio and Reggio nell'Emilia has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles