The calculated distance (air line) between Huehuetoca and Álvaro Obregón is approximately 32 miles respectively 52 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Huehuetoca and Álvaro Obregón has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles