The calculated distance (air line) between San Martín Caltenco and Tlalnepantla is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Tlalnepantla is certainly longer, as only the direct route (as the crow flies) between San Martín Caltenco and Tlalnepantla has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles