The calculated distance (air line) between Apastepeque and Ahuachapán is approximately 73 miles respectively 118 kilometers.
By car or train, the actual journey to Ahuachapán is certainly longer, as only the direct route (as the crow flies) between Apastepeque and Ahuachapán has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles