The calculated distance (air line) between Viganello and Zürich (Kreis 11) is approximately 100 miles respectively 160 kilometers.
By car or train, the actual journey to Zürich (Kreis 11) is certainly longer, as only the direct route (as the crow flies) between Viganello and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
160 kilometers
87 nautical miles