The calculated distance (air line) between Chalchuapa and Cojutepeque is approximately 54 miles respectively 86 kilometers.
By car or train, the actual journey to Cojutepeque is certainly longer, as only the direct route (as the crow flies) between Chalchuapa and Cojutepeque has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles