The calculated distance (air line) between Paraná and San Nicolás de los Arroyos is approximately 112 miles respectively 181 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 Paraná and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
181 kilometers
97 nautical miles