The calculated distance (air line) between Peñuela and Álvaro Obregón is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Peñuela and Álvaro Obregón has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles