The calculated distance (air line) between Novoarkhanhelsk and Yuzhnoukrayinsk is approximately 60 miles respectively 97 kilometers.
By car or train, the actual journey to Yuzhnoukrayinsk is certainly longer, as only the direct route (as the crow flies) between Novoarkhanhelsk and Yuzhnoukrayinsk has been calculated here.
Air line (approximately)
97 kilometers
52 nautical miles