The calculated distance (air line) between Monjas and San Juan Sacatepéquez is approximately 54 miles respectively 86 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 Monjas and San Juan Sacatepéquez has been calculated here.
Air line (approximately)
86 kilometers
47 nautical miles