The calculated distance (air line) between Flores Costa Cuca and Amatitlán is approximately 83 miles respectively 133 kilometers.
By car or train, the actual journey to Amatitlán is certainly longer, as only the direct route (as the crow flies) between Flores Costa Cuca and Amatitlán has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles