The calculated distance (air line) between Piove di Sacco-Piovega and Ferrara is approximately 38 miles respectively 61 kilometers.
By car or train, the actual journey to Ferrara is certainly longer, as only the direct route (as the crow flies) between Piove di Sacco-Piovega and Ferrara has been calculated here.
Air line (approximately)
61 kilometers
33 nautical miles