The calculated distance (air line) between Sonzacate and Antiguo Cuscatlán is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between Sonzacate and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles