The calculated distance (air line) between Veltheim (Kreis 5) and Lugano is approximately 105 miles respectively 168 kilometers.
By car or train, the actual journey to Lugano is certainly longer, as only the direct route (as the crow flies) between Veltheim (Kreis 5) and Lugano has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles