The calculated distance (air line) between Kecskemét and Zalaegerszeg is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Zalaegerszeg is certainly longer, as only the direct route (as the crow flies) between Kecskemét and Zalaegerszeg has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles