The calculated distance (air line) between Pianezza and Reggio nell'Emilia is approximately 153 miles respectively 247 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 Pianezza and Reggio nell'Emilia has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles