The calculated distance (air line) between Gänserndorf and Wiener Neustadt is approximately 43 miles respectively 70 kilometers.
By car or train, the actual journey to Wiener Neustadt is certainly longer, as only the direct route (as the crow flies) between Gänserndorf and Wiener Neustadt has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles