The calculated distance (air line) between Zacapechpan and Iztapalapa is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between Zacapechpan and Iztapalapa has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles