The calculated distance (air line) between Kisvárda and Székesfehérvár is approximately 185 miles respectively 298 kilometers.
By car or train, the actual journey to Székesfehérvár is certainly longer, as only the direct route (as the crow flies) between Kisvárda and Székesfehérvár has been calculated here.
Air line (approximately)
298 kilometers
161 nautical miles