The calculated distance (air line) between Kirchberg and Zürich (Kreis 11) is approximately 50 miles respectively 80 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 Kirchberg and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles