The calculated distance (air line) between Bruck an der Mur and Floridsdorf is approximately 77 miles respectively 125 kilometers.
By car or train, the actual journey to Floridsdorf is certainly longer, as only the direct route (as the crow flies) between Bruck an der Mur and Floridsdorf has been calculated here.
Air line (approximately)
125 kilometers
67 nautical miles