The calculated distance (air line) between Santa Catarina Pinula and Amatitlán is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Amatitlán is certainly longer, as only the direct route (as the crow flies) between Santa Catarina Pinula and Amatitlán has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles