The calculated distance (air line) between Santana do Livramento and Paso de los Libres is approximately 123 miles respectively 199 kilometers.
By car or train, the actual journey to Paso de los Libres is certainly longer, as only the direct route (as the crow flies) between Santana do Livramento and Paso de los Libres has been calculated here.
Air line (approximately)
199 kilometers
107 nautical miles