The calculated distance (air line) between Santa Maria Coatepec and Álvaro Obregón is approximately 106 miles respectively 171 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Santa Maria Coatepec and Álvaro Obregón has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles