The calculated distance (air line) between Castel Maggiore and Poggio Renatico is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Poggio Renatico is certainly longer, as only the direct route (as the crow flies) between Castel Maggiore and Poggio Renatico has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles