The calculated distance (air line) between Santa María Magdalena and Álvaro Obregón is approximately 118 miles respectively 189 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Santa María Magdalena and Álvaro Obregón has been calculated here.
Air line (approximately)
189 kilometers
102 nautical miles