The calculated distance (air line) between Santa Lucía Milpas Altas and Escuintla is approximately 20 miles respectively 33 kilometers.
By car or train, the actual journey to Escuintla is certainly longer, as only the direct route (as the crow flies) between Santa Lucía Milpas Altas and Escuintla has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles