The calculated distance (air line) between Ayutuxtepeque and Ahuachapán is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Ahuachapán is certainly longer, as only the direct route (as the crow flies) between Ayutuxtepeque and Ahuachapán has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles