The calculated distance (air line) between Biberist and Zürich (Kreis 12) is approximately 50 miles respectively 80 kilometers.
By car or train, the actual journey to Zürich (Kreis 12) is certainly longer, as only the direct route (as the crow flies) between Biberist and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles