The calculated distance (air line) between Santiago de Querétaro and San Luis Potosí is approximately 114 miles respectively 184 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 Santiago de Querétaro and San Luis Potosí has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles