The calculated distance (air line) between Lugano and Zürich (Kreis 9) is approximately 98 miles respectively 157 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 Lugano and Zürich (Kreis 9) has been calculated here.
Air line (approximately)
157 kilometers
85 nautical miles