The calculated distance (air line) between Arbon and Zürich (Kreis 11) is approximately 43 miles respectively 69 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 Arbon and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles