The calculated distance (air line) between Budapest XXIII. kerület and Nyíregyháza is approximately 127 miles respectively 204 kilometers.
By car or train, the actual journey to Nyíregyháza is certainly longer, as only the direct route (as the crow flies) between Budapest XXIII. kerület and Nyíregyháza has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles