The calculated distance (air line) between Molinella and Casalecchio di Reno is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Casalecchio di Reno is certainly longer, as only the direct route (as the crow flies) between Molinella and Casalecchio di Reno has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles