The calculated distance (air line) between San Juan Coajomulco and Tlalnepantla is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Tlalnepantla is certainly longer, as only the direct route (as the crow flies) between San Juan Coajomulco and Tlalnepantla has been calculated here.
Air line (approximately)
84 kilometers
46 nautical miles