The calculated distance (air line) between Juanacatlán and San Luis Potosí is approximately 181 miles respectively 291 kilometers.
By car or train, the actual journey to San Luis Potosí is certainly longer, as only the direct route (as the crow flies) between Juanacatlán and San Luis Potosí has been calculated here.
Air line (approximately)
291 kilometers
157 nautical miles