The calculated distance (air line) between Ecatepec de Morelos and Irapuato is approximately 166 miles respectively 268 kilometers.
By car or train, the actual journey to Irapuato is certainly longer, as only the direct route (as the crow flies) between Ecatepec de Morelos and Irapuato has been calculated here.
Air line (approximately)
268 kilometers
144 nautical miles