The calculated distance (air line) between Au and Zürich (Kreis 11) is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Zürich (Kreis 11) is certainly longer, as only the direct route (as the crow flies) between Au and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles