The calculated distance (air line) between Pianoro and Casalecchio di Reno is approximately 7 miles respectively 11 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 Pianoro and Casalecchio di Reno has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles