The calculated distance (air line) between Mexicaltzingo and Álvaro Obregón is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Mexicaltzingo and Álvaro Obregón has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles