The calculated distance (air line) between Krasnokutsk and Solonytsivka is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Solonytsivka is certainly longer, as only the direct route (as the crow flies) between Krasnokutsk and Solonytsivka has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles