The calculated distance (air line) between Álvaro Obregón and Huamantla is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Huamantla is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Huamantla has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles