The calculated distance (air line) between Szekszárd and Budapest XXI. kerület is approximately 77 miles respectively 123 kilometers.
By car or train, the actual journey to Budapest XXI. kerület is certainly longer, as only the direct route (as the crow flies) between Szekszárd and Budapest XXI. kerület has been calculated here.
Air line (approximately)
123 kilometers
67 nautical miles