The calculated distance (air line) between Yenakiieve and Kostiantynivka is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Kostiantynivka is certainly longer, as only the direct route (as the crow flies) between Yenakiieve and Kostiantynivka has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles