The calculated distance (air line) between Piskivka and Khmelnytskyi is approximately 147 miles respectively 236 kilometers.
By car or train, the actual journey to Khmelnytskyi is certainly longer, as only the direct route (as the crow flies) between Piskivka and Khmelnytskyi has been calculated here.
Air line (approximately)
236 kilometers
127 nautical miles