The calculated distance (air line) between Nueve de Julio and San Nicolás de los Arroyos is approximately 151 miles respectively 243 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 Nueve de Julio and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
243 kilometers
131 nautical miles