The calculated distance (air line) between El Castillo and Naucalpan de Juárez is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Naucalpan de Juárez is certainly longer, as only the direct route (as the crow flies) between El Castillo and Naucalpan de Juárez has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles