The calculated distance (air line) between Naucalpan de Juárez and Irapuato is approximately 160 miles respectively 258 kilometers.
By car or train, the actual journey to Irapuato is certainly longer, as only the direct route (as the crow flies) between Naucalpan de Juárez and Irapuato has been calculated here.
Air line (approximately)
258 kilometers
139 nautical miles