The calculated distance (air line) between Újkígyós and Budapest XXI. kerület is approximately 109 miles respectively 176 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 Újkígyós and Budapest XXI. kerület has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles