The calculated distance (air line) between Bischofshofen and Wiener Neustadt is approximately 143 miles respectively 230 kilometers.
By car or train, the actual journey to Wiener Neustadt is certainly longer, as only the direct route (as the crow flies) between Bischofshofen and Wiener Neustadt has been calculated here.
Air line (approximately)
230 kilometers
124 nautical miles