The calculated distance (air line) between San Juan de la Vega and Iztapalapa is approximately 141 miles respectively 227 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 la Vega and Iztapalapa has been calculated here.
Air line (approximately)
227 kilometers
122 nautical miles