The calculated distance (air line) between Santa Catarina Ixtahuacán and Zacapa is approximately 123 miles respectively 197 kilometers.
By car or train, the actual journey to Zacapa is certainly longer, as only the direct route (as the crow flies) between Santa Catarina Ixtahuacán and Zacapa has been calculated here.
Air line (approximately)
197 kilometers
107 nautical miles