The calculated distance (air line) between Álvaro Obregón and Ciudad Hidalgo is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Ciudad Hidalgo is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Ciudad Hidalgo has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles