The calculated distance (air line) between Hlevakha and Khmelnytskyi is approximately 160 miles respectively 258 kilometers.
By car or train, the actual journey to Khmelnytskyi is certainly longer, as only the direct route (as the crow flies) between Hlevakha and Khmelnytskyi has been calculated here.
Air line (approximately)
258 kilometers
139 nautical miles