The calculated distance (air line) between Castel Maggiore and Ozzano dell'Emilia is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Ozzano dell'Emilia is certainly longer, as only the direct route (as the crow flies) between Castel Maggiore and Ozzano dell'Emilia has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles