The calculated distance (air line) between Vösendorf and Klagenfurt am Wörthersee is approximately 141 miles respectively 226 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 Vösendorf and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles