The calculated distance (air line) between Álvaro Obregón and Cuernavaca is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Cuernavaca is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Cuernavaca has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles