The calculated distance (air line) between Mamayvtsi and Khmelnytskyi is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Khmelnytskyi is certainly longer, as only the direct route (as the crow flies) between Mamayvtsi and Khmelnytskyi has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles