The calculated distance (air line) between Monte Buey and San Nicolás de los Arroyos is approximately 133 miles respectively 214 kilometers.
By car or train, the actual journey to San Nicolás de los Arroyos is certainly longer, as only the direct route (as the crow flies) between Monte Buey and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
214 kilometers
116 nautical miles