The calculated distance (air line) between Baar and Zürich (Kreis 12) is approximately 15 miles respectively 23 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 Baar and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles