The calculated distance (air line) between Balatonfüred and Kőbánya is approximately 70 miles respectively 112 kilometers.
By car or train, the actual journey to Kőbánya is certainly longer, as only the direct route (as the crow flies) between Balatonfüred and Kőbánya has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles