The calculated distance (air line) between Hajdúdorog and Székesfehérvár is approximately 151 miles respectively 242 kilometers.
By car or train, the actual journey to Székesfehérvár is certainly longer, as only the direct route (as the crow flies) between Hajdúdorog and Székesfehérvár has been calculated here.
Air line (approximately)
242 kilometers
131 nautical miles