The calculated distance (air line) between Budapest XXIII. kerület and Zalaegerszeg is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to Zalaegerszeg is certainly longer, as only the direct route (as the crow flies) between Budapest XXIII. kerület and Zalaegerszeg has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles