The calculated distance (air line) between Sant'Ambrogio di Valpollicella and Ferrara is approximately 61 miles respectively 98 kilometers.
By car or train, the actual journey to Ferrara is certainly longer, as only the direct route (as the crow flies) between Sant'Ambrogio di Valpollicella and Ferrara has been calculated here.
Air line (approximately)
98 kilometers
53 nautical miles