The calculated distance (air line) between Soyapango and Antiguo Cuscatlán is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between Soyapango and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles