The calculated distance (air line) between Chalchuapa and Ayutuxtepeque is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Ayutuxtepeque is certainly longer, as only the direct route (as the crow flies) between Chalchuapa and Ayutuxtepeque has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles