The calculated distance (air line) between Álvaro Obregón and Tlaxcala is approximately 65 miles respectively 105 kilometers.
By car or train, the actual journey to Tlaxcala is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Tlaxcala has been calculated here.
Air line (approximately)
105 kilometers
57 nautical miles