The calculated distance (air line) between Groß-Enzersdorf and Meidling is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Meidling is certainly longer, as only the direct route (as the crow flies) between Groß-Enzersdorf and Meidling has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles