The calculated distance (air line) between Novhorod-Siverskyi and Cherkasy is approximately 185 miles respectively 297 kilometers.
By car or train, the actual journey to Cherkasy is certainly longer, as only the direct route (as the crow flies) between Novhorod-Siverskyi and Cherkasy has been calculated here.
Air line (approximately)
297 kilometers
160 nautical miles