The calculated distance (air line) between Ecatepec de Morelos and Álvaro Obregón is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Álvaro Obregón is certainly longer, as only the direct route (as the crow flies) between Ecatepec de Morelos and Álvaro Obregón has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles