The calculated distance (air line) between Ocoyoacac and Ecatepec de Morelos is approximately 35 miles respectively 56 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 Ocoyoacac and Ecatepec de Morelos has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles