The calculated distance (air line) between Kirchberg and Zürich (Kreis 7) is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Zürich (Kreis 7) is certainly longer, as only the direct route (as the crow flies) between Kirchberg and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles