The calculated distance (air line) between Yuzhnoukrayinsk and Zakharivka is approximately 75 miles respectively 120 kilometers.
By car or train, the actual journey to Zakharivka is certainly longer, as only the direct route (as the crow flies) between Yuzhnoukrayinsk and Zakharivka has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles