The calculated distance (air line) between Alcalde Díaz and Llano Bonito is approximately 99 miles respectively 159 kilometers.
By car or train, the actual journey to Llano Bonito is certainly longer, as only the direct route (as the crow flies) between Alcalde Díaz and Llano Bonito has been calculated here.
Air line (approximately)
159 kilometers
86 nautical miles