The calculated distance (air line) between San Juan de las Huertas and Iztapalapa is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between San Juan de las Huertas and Iztapalapa has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles