The calculated distance (air line) between Santa Lucía Cotzumalguapa and Coatepeque is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Coatepeque is certainly longer, as only the direct route (as the crow flies) between Santa Lucía Cotzumalguapa and Coatepeque has been calculated here.
Air line (approximately)
99 kilometers
54 nautical miles