The calculated distance (air line) between Hajdúnánás and Budapest XXI. kerület is approximately 114 miles respectively 183 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 Hajdúnánás and Budapest XXI. kerület has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles