The calculated distance (air line) between Lugano and Zürich (Kreis 2) is approximately 94 miles respectively 151 kilometers.
By car or train, the actual journey to Zürich (Kreis 2) is certainly longer, as only the direct route (as the crow flies) between Lugano and Zürich (Kreis 2) has been calculated here.
Air line (approximately)
151 kilometers
82 nautical miles