The calculated distance (air line) between Zürich (Kreis 11) / Oerlikon and Baar is approximately 15 miles respectively 24 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 11) / Oerlikon and Baar has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles