The calculated distance (air line) between San Juan Tuxco and Álvaro Obregón is approximately 49 miles respectively 80 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between San Juan Tuxco and Álvaro Obregón has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles