The calculated distance (air line) between Tápiószentmárton and Budapest II. kerület is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Budapest II. kerület is certainly longer, as only the direct route (as the crow flies) between Tápiószentmárton and Budapest II. kerület has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles