The calculated distance (air line) between Rafael Delgado and Álvaro Obregón is approximately 144 miles respectively 232 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Rafael Delgado and Álvaro Obregón has been calculated here.
Air line (approximately)
232 kilometers
125 nautical miles