The calculated distance (air line) between Oaxtepec and Álvaro Obregón is approximately 34 miles respectively 55 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Oaxtepec and Álvaro Obregón has been calculated here.
Air line (approximately)
55 kilometers
30 nautical miles