The calculated distance (air line) between Saalfelden am Steinernen Meer and Klagenfurt am Wörthersee is approximately 88 miles respectively 142 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 Saalfelden am Steinernen Meer and Klagenfurt am Wörthersee has been calculated here.
Air line (approximately)
142 kilometers
77 nautical miles