The calculated distance (air line) between Uster / Ober-Uster and Zürich (Kreis 6) is approximately 9 miles respectively 15 kilometers.
By car or train, the actual journey to Zürich (Kreis 6) is certainly longer, as only the direct route (as the crow flies) between Uster / Ober-Uster and Zürich (Kreis 6) has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles