The calculated distance (air line) between Kindberg and Klagenfurt am Wörthersee is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Klagenfurt am Wörthersee is certainly longer, as only the direct route (as the crow flies) between Kindberg and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles