The calculated distance (air line) between Kecskemét and Székesfehérvár is approximately 63 miles respectively 102 kilometers.
By car or train, the actual journey to Székesfehérvár is certainly longer, as only the direct route (as the crow flies) between Kecskemét and Székesfehérvár has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles