The calculated distance (air line) between Álvaro Obregón and Buenavista is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Buenavista is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Buenavista has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles