The calculated distance (air line) between Santa María Zacatepec and Álvaro Obregón is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Santa María Zacatepec and Álvaro Obregón has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles