The calculated distance (air line) between Devecser and Székesfehérvár is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Székesfehérvár is certainly longer, as only the direct route (as the crow flies) between Devecser and Székesfehérvár has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles