The calculated distance (air line) between Mosonmagyaróvár and Budapest XX. kerület is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Budapest XX. kerület is certainly longer, as only the direct route (as the crow flies) between Mosonmagyaróvár and Budapest XX. kerület has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles