The calculated distance (air line) between Kostiantynivka and Nyzhnia Krynka is approximately 35 miles respectively 57 kilometers.
By car or train, the actual journey to Nyzhnia Krynka is certainly longer, as only the direct route (as the crow flies) between Kostiantynivka and Nyzhnia Krynka has been calculated here.
Air line (approximately)
57 kilometers
31 nautical miles