The calculated distance (air line) between Berezivka and Chornomors’k is approximately 63 miles respectively 102 kilometers.
By car or train, the actual journey to Chornomors’k is certainly longer, as only the direct route (as the crow flies) between Berezivka and Chornomors’k has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles