The calculated distance (air line) between Naucalpan de Juárez and Guanajuato is approximately 169 miles respectively 271 kilometers.
By car or train, the actual journey to Guanajuato is certainly longer, as only the direct route (as the crow flies) between Naucalpan de Juárez and Guanajuato has been calculated here.
Air line (approximately)
271 kilometers
146 nautical miles