The calculated distance (air line) between Bibbiena and Reggio nell'Emilia is approximately 91 miles respectively 146 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 Bibbiena and Reggio nell'Emilia has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles