The calculated distance (air line) between Chornomors’k and Plakhtiyivka is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Plakhtiyivka is certainly longer, as only the direct route (as the crow flies) between Chornomors’k and Plakhtiyivka has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles