The calculated distance (air line) between Temascalapa and Ecatepec de Morelos is approximately 19 miles respectively 30 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 Temascalapa and Ecatepec de Morelos has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles