The calculated distance (air line) between Starokostyantyniv and Chernivtsi is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to Chernivtsi is certainly longer, as only the direct route (as the crow flies) between Starokostyantyniv and Chernivtsi has been calculated here.
Air line (approximately)
188 kilometers
101 nautical miles