The calculated distance (air line) between San Nicolás Tolentino and Iztapalapa is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between San Nicolás Tolentino and Iztapalapa has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles