The calculated distance (air line) between San Martín Azcatepec and Ecatepec de Morelos is approximately 8 miles respectively 13 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 Martín Azcatepec and Ecatepec de Morelos has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles