The calculated distance (air line) between Valtierrilla and Iztapalapa is approximately 157 miles respectively 252 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between Valtierrilla and Iztapalapa has been calculated here.
Air line (approximately)
252 kilometers
136 nautical miles