The calculated distance (air line) between Pietra Ligure and Reggio nell'Emilia is approximately 122 miles respectively 196 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 Pietra Ligure and Reggio nell'Emilia has been calculated here.
Air line (approximately)
196 kilometers
106 nautical miles