The calculated distance (air line) between Joaquín Suárez and Fray Bentos is approximately 172 miles respectively 277 kilometers.
By car or train, the actual journey to Fray Bentos is certainly longer, as only the direct route (as the crow flies) between Joaquín Suárez and Fray Bentos has been calculated here.
Air line (approximately)
277 kilometers
149 nautical miles