The calculated distance (air line) between Monastyryska and Khmelnytskyi is approximately 85 miles respectively 136 kilometers.
By car or train, the actual journey to Khmelnytskyi is certainly longer, as only the direct route (as the crow flies) between Monastyryska and Khmelnytskyi has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles