The calculated distance (air line) between Absam and Klagenfurt am Wörthersee is approximately 140 miles respectively 225 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 Absam and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
225 kilometers
121 nautical miles