The calculated distance (air line) between Tlalnepantla and Azcapotzalco is approximately 4 miles respectively 6 kilometers.
By car or train, the actual journey to Azcapotzalco is certainly longer, as only the direct route (as the crow flies) between Tlalnepantla and Azcapotzalco has been calculated here.
Air line (approximately)
6 kilometers
3 nautical miles