The calculated distance (air line) between Paseos de San Juan and Iztapalapa is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Iztapalapa is certainly longer, as only the direct route (as the crow flies) between Paseos de San Juan and Iztapalapa has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles