The calculated distance (air line) between Pozos de Gamboa and San Luis Potosí is approximately 116 miles respectively 186 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 Pozos de Gamboa and San Luis Potosí has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles