The calculated distance (air line) between Kunszentmárton and Budapest XXI. kerület is approximately 70 miles respectively 113 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 Kunszentmárton and Budapest XXI. kerület has been calculated here.
Air line (approximately)
113 kilometers
61 nautical miles