The calculated distance (air line) between Tlalmanalco and Álvaro Obregón is approximately 28 miles respectively 46 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Tlalmanalco and Álvaro Obregón has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles