The calculated distance (air line) between San Antonio del Monte and Antiguo Cuscatlán is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between San Antonio del Monte and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
53 kilometers
28 nautical miles