The calculated distance (air line) between Staryi Sambir and Chernivtsi is approximately 155 miles respectively 250 kilometers.
By car or train, the actual journey to Chernivtsi is certainly longer, as only the direct route (as the crow flies) between Staryi Sambir and Chernivtsi has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles