The calculated distance (air line) between Brugg and Zürich (Kreis 12) is approximately 18 miles respectively 29 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 Brugg and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles