The calculated distance (air line) between Ciudad Arce and Antiguo Cuscatlán is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Antiguo Cuscatlán is certainly longer, as only the direct route (as the crow flies) between Ciudad Arce and Antiguo Cuscatlán has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles