The calculated distance (air line) between Kamianets-Podilskyi and Dunayivtsi is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Dunayivtsi is certainly longer, as only the direct route (as the crow flies) between Kamianets-Podilskyi and Dunayivtsi has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles