The calculated distance (air line) between Hueytamalco and Iztapalapa is approximately 122 miles respectively 197 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between Hueytamalco and Iztapalapa has been calculated here.
Air line (approximately)
197 kilometers
106 nautical miles