The calculated distance (air line) between San Francisco Zapotitlán and Coatepeque is approximately 24 miles respectively 39 kilometers.
By car or train, the actual journey to Coatepeque is certainly longer, as only the direct route (as the crow flies) between San Francisco Zapotitlán and Coatepeque has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles