The calculated distance (air line) between Saldarriaga and Ecatepec de Morelos is approximately 107 miles respectively 172 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 Saldarriaga and Ecatepec de Morelos has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles