The calculated distance (air line) between Groß-Enzersdorf and Geidorf is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to Geidorf is certainly longer, as only the direct route (as the crow flies) between Groß-Enzersdorf and Geidorf has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles