The calculated distance (air line) between Coatepec and Álvaro Obregón is approximately 23 miles respectively 38 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Coatepec and Álvaro Obregón has been calculated here.
Air line (approximately)
38 kilometers
20 nautical miles