The calculated distance (air line) between San Pedro de los Baños and Tlalnepantla is approximately 43 miles respectively 69 kilometers.
By car or train, the actual journey to Tlalnepantla is certainly longer, as only the direct route (as the crow flies) between San Pedro de los Baños and Tlalnepantla has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles