The calculated distance (air line) between Naucalpan de Juárez and Tlaxcala is approximately 69 miles respectively 110 kilometers.
By car or train, the actual journey to Tlaxcala is certainly longer, as only the direct route (as the crow flies) between Naucalpan de Juárez and Tlaxcala has been calculated here.
Air line (approximately)
110 kilometers
60 nautical miles