The calculated distance (air line) between Santa Lucía Cotzumalguapa and San Pedro Ayampuc is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to San Pedro Ayampuc is certainly longer, as only the direct route (as the crow flies) between Santa Lucía Cotzumalguapa and San Pedro Ayampuc has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles