The calculated distance (air line) between Álvaro Obregón and Tlalnepantla is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Tlalnepantla is certainly longer, as only the direct route (as the crow flies) between Álvaro Obregón and Tlalnepantla has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles