The calculated distance (air line) between Iztapalapa and Azcapotzalco is approximately 12 miles respectively 20 kilometers.
By car or train, the actual journey to Azcapotzalco is certainly longer, as only the direct route (as the crow flies) between Iztapalapa and Azcapotzalco has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles