The calculated distance (air line) between La Negreta and Ecatepec de Morelos is approximately 110 miles respectively 178 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 La Negreta and Ecatepec de Morelos has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles