The calculated distance (air line) between Kottingbrunn and Klagenfurt am Wörthersee is approximately 128 miles respectively 207 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 Kottingbrunn and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles