The calculated distance (air line) between Zürich (Kreis 11) / Oerlikon and Wetzikon is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Wetzikon is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 11) / Oerlikon and Wetzikon has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles