The calculated distance (air line) between Casalecchio di Reno and Formigine is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Formigine is certainly longer, as only the direct route (as the crow flies) between Casalecchio di Reno and Formigine has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles