The calculated distance (air line) between La Pradera and Álvaro Obregón is approximately 116 miles respectively 187 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between La Pradera and Álvaro Obregón has been calculated here.
Air line (approximately)
187 kilometers
101 nautical miles