The calculated distance (air line) between Deutsch-Wagram and Kottingbrunn is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Kottingbrunn is certainly longer, as only the direct route (as the crow flies) between Deutsch-Wagram and Kottingbrunn has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles