The calculated distance (air line) between Quilmes and San Nicolás de los Arroyos is approximately 147 miles respectively 237 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 Quilmes and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
237 kilometers
128 nautical miles