The calculated distance (air line) between San Benedetto Po and Reggio nell'Emilia is approximately 28 miles respectively 45 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 San Benedetto Po and Reggio nell'Emilia has been calculated here.
Air line (approximately)
45 kilometers
25 nautical miles