The calculated distance (air line) between San Luis Potosí and San Francisco del Rincón is approximately 96 miles respectively 155 kilometers.
By car or train, the actual journey to San Francisco del Rincón is certainly longer, as only the direct route (as the crow flies) between San Luis Potosí and San Francisco del Rincón has been calculated here.
Air line (approximately)
155 kilometers
84 nautical miles