The calculated distance (air line) between La Libertad and Antiguo Cuscatlán is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between La Libertad and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles