The calculated distance (air line) between Székesfehérvár and Szombathely is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Szombathely is certainly longer, as only the direct route (as the crow flies) between Székesfehérvár and Szombathely has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles