The calculated distance (air line) between Novomyrhorod and Novoukrayinka is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Novoukrayinka is certainly longer, as only the direct route (as the crow flies) between Novomyrhorod and Novoukrayinka has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles