The calculated distance (air line) between Diepoldsau and Zürich (Kreis 11) is approximately 53 miles respectively 85 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 Diepoldsau and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
85 kilometers
46 nautical miles