The calculated distance (air line) between Teotihuacán de Arista and Ecatepec de Morelos is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Ecatepec de Morelos is certainly longer, as only the direct route (as the crow flies) between Teotihuacán de Arista and Ecatepec de Morelos has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles