The calculated distance (air line) between Castelnovo ne'Monti and Bibbiano is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Bibbiano is certainly longer, as only the direct route (as the crow flies) between Castelnovo ne'Monti and Bibbiano has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles