The calculated distance (air line) between Kecskemét and Angyalföld is approximately 53 miles respectively 85 kilometers.
By car or train, the actual journey to Angyalföld is certainly longer, as only the direct route (as the crow flies) between Kecskemét and Angyalföld has been calculated here.
Air line (approximately)
85 kilometers
46 nautical miles