The calculated distance (air line) between Santa Catarina Ixtahuacán and Cobán is approximately 80 miles respectively 129 kilometers.
By car or train, the actual journey to Cobán is certainly longer, as only the direct route (as the crow flies) between Santa Catarina Ixtahuacán and Cobán has been calculated here.
Air line (approximately)
129 kilometers
70 nautical miles