The calculated distance (air line) between Nyíregyháza and Budapest XXI. kerület is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Budapest XXI. kerület is certainly longer, as only the direct route (as the crow flies) between Nyíregyháza and Budapest XXI. kerület has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles