The calculated distance (air line) between Casalecchio di Reno and Spilamberto is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Spilamberto is certainly longer, as only the direct route (as the crow flies) between Casalecchio di Reno and Spilamberto has been calculated here.
Air line (approximately)
21 kilometers
12 nautical miles