The calculated distance (air line) between Calixtlahuaca and Iztapalapa is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between Calixtlahuaca and Iztapalapa has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles