The calculated distance (air line) between Álvaro Obregón and Chicoloapan is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Chicoloapan is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Chicoloapan has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles