The calculated distance (air line) between Saalfelden am Steinernen Meer and Wiener Neustadt is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Wiener Neustadt is certainly longer, as only the direct route (as the crow flies) between Saalfelden am Steinernen Meer and Wiener Neustadt has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles