The calculated distance (air line) between Yehualtepec and Álvaro Obregón is approximately 108 miles respectively 174 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Yehualtepec and Álvaro Obregón has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles