The calculated distance (air line) between San Juan Ixtayopan and Iztapalapa is approximately 9 miles respectively 15 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 Ixtayopan and Iztapalapa has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles