The calculated distance (air line) between Santa Catarina Ixtahuacán and Cobán is approximately 81 miles respectively 130 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)
130 kilometers
70 nautical miles