The calculated distance (air line) between Groß-Enzersdorf and Stockerau is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Stockerau is certainly longer, as only the direct route (as the crow flies) between Groß-Enzersdorf and Stockerau has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles