The calculated distance (air line) between Zürich (Kreis 7) / Witikon and Baar is approximately 12 miles respectively 19 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 7) / Witikon and Baar has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles