The calculated distance (air line) between Cadereyta and Álvaro Obregón is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Cadereyta and Álvaro Obregón has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles