The calculated distance (air line) between Mosonmagyaróvár and Kecskemét is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Kecskemét is certainly longer, as only the direct route (as the crow flies) between Mosonmagyaróvár and Kecskemét has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles