The calculated distance (air line) between Dunaharaszti and Dunaújváros is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Dunaújváros is certainly longer, as only the direct route (as the crow flies) between Dunaharaszti and Dunaújváros has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles