The calculated distance (air line) between Hajdúhadház and Budapest XXI. kerület is approximately 122 miles respectively 197 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 Hajdúhadház and Budapest XXI. kerület has been calculated here.
Air line (approximately)
197 kilometers
106 nautical miles