The calculated distance (air line) between San Pedro Itzicán and San Luis Potosí is approximately 179 miles respectively 289 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 Pedro Itzicán and San Luis Potosí has been calculated here.
Air line (approximately)
289 kilometers
156 nautical miles