The calculated distance (air line) between Retalhuleu and Santa Catarina Pinula is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Santa Catarina Pinula is certainly longer, as only the direct route (as the crow flies) between Retalhuleu and Santa Catarina Pinula has been calculated here.
Air line (approximately)
127 kilometers
68 nautical miles