The calculated distance (air line) between Cacalomacan and Ecatepec de Morelos is approximately 49 miles respectively 78 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 Cacalomacan and Ecatepec de Morelos has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles