The calculated distance (air line) between Gualán and San Juan Sacatepéquez is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to San Juan Sacatepéquez is certainly longer, as only the direct route (as the crow flies) between Gualán and San Juan Sacatepéquez has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles