The calculated distance (air line) between San Gabriel Tetzoyocán and Ecatepec de Morelos is approximately 106 miles respectively 171 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 San Gabriel Tetzoyocán and Ecatepec de Morelos has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles