The calculated distance (air line) between Baar and Zürich (Kreis 7) is approximately 12 miles respectively 20 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 Baar and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles