The calculated distance (air line) between Zürich (Kreis 6) / Oberstrass and Baar is approximately 13 miles respectively 22 kilometers.
By car or train, the actual journey to Baar is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 6) / Oberstrass and Baar has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles