The calculated distance (air line) between Acajutla and Antiguo Cuscatlán is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between Acajutla and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles