The calculated distance (air line) between San Miguel Sigüilá and Amatitlán is approximately 72 miles respectively 115 kilometers.
By car or train, the actual journey to Amatitlán is certainly longer, as only the direct route (as the crow flies) between San Miguel Sigüilá and Amatitlán has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles