The calculated distance (air line) between Nyon and Zürich (Kreis 9) is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Zürich (Kreis 9) is certainly longer, as only the direct route (as the crow flies) between Nyon and Zürich (Kreis 9) has been calculated here.
Air line (approximately)
203 kilometers
110 nautical miles