The calculated distance (air line) between Knyazhichi and Kotsiubynske is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Kotsiubynske is certainly longer, as only the direct route (as the crow flies) between Knyazhichi and Kotsiubynske has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles