The calculated distance (air line) between Wiener Neudorf and Gänserndorf is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Gänserndorf is certainly longer, as only the direct route (as the crow flies) between Wiener Neudorf and Gänserndorf has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles