The calculated distance (air line) between San José Iturbide and San Luis Potosí is approximately 88 miles respectively 142 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 San José Iturbide and San Luis Potosí has been calculated here.
Air line (approximately)
142 kilometers
76 nautical miles