The calculated distance (air line) between Ponteranica and Reggio nell'Emilia is approximately 86 miles respectively 138 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 Ponteranica and Reggio nell'Emilia has been calculated here.
Air line (approximately)
138 kilometers
75 nautical miles