The calculated distance (air line) between Mosonmagyaróvár and Szombathely is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Szombathely is certainly longer, as only the direct route (as the crow flies) between Mosonmagyaróvár and Szombathely has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles