The calculated distance (air line) between Chervonohryhorivka and Mykolayiv is approximately 127 miles respectively 205 kilometers.
By car or train, the actual journey to Mykolayiv is certainly longer, as only the direct route (as the crow flies) between Chervonohryhorivka and Mykolayiv has been calculated here.
Air line (approximately)
205 kilometers
110 nautical miles