The calculated distance (air line) between Calderara di Reno and Sasso Marconi is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Sasso Marconi is certainly longer, as only the direct route (as the crow flies) between Calderara di Reno and Sasso Marconi has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles