The calculated distance (air line) between Szekszárd and Angyalföld is approximately 85 miles respectively 136 kilometers.
By car or train, the actual journey to Angyalföld is certainly longer, as only the direct route (as the crow flies) between Szekszárd and Angyalföld has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles