The calculated distance (air line) between Cento and Reggio nell'Emilia is approximately 32 miles respectively 52 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 Cento and Reggio nell'Emilia has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles