The calculated distance (air line) between Jenbach and Klagenfurt am Wörthersee is approximately 131 miles respectively 210 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 Jenbach and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles