The calculated distance (air line) between San Bernardino and Naucalpan de Juárez is approximately 22 miles respectively 36 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 San Bernardino and Naucalpan de Juárez has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles