The calculated distance (air line) between Vinnytsya and Khmelnytskyi is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Khmelnytskyi is certainly longer, as only the direct route (as the crow flies) between Vinnytsya and Khmelnytskyi has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles