The calculated distance (air line) between Fraccionamiento la Trinidad and Tlalnepantla is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Tlalnepantla is certainly longer, as only the direct route (as the crow flies) between Fraccionamiento la Trinidad and Tlalnepantla has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles