The calculated distance (air line) between San Gaspar Tonatico and Naucalpan de Juárez is approximately 54 miles respectively 87 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 Gaspar Tonatico and Naucalpan de Juárez has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles