The calculated distance (air line) between Chalchuapa and Quezaltepeque is approximately 29 miles respectively 47 kilometers.
By car or train, the actual journey to Quezaltepeque is certainly longer, as only the direct route (as the crow flies) between Chalchuapa and Quezaltepeque has been calculated here.
Air line (approximately)
47 kilometers
26 nautical miles