The calculated distance (air line) between Misión de Chichimecas and Ecatepec de Morelos is approximately 148 miles respectively 239 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 Misión de Chichimecas and Ecatepec de Morelos has been calculated here.
Air line (approximately)
239 kilometers
129 nautical miles