The calculated distance (air line) between Varnsdorf and Ústí nad Labem is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Ústí nad Labem is certainly longer, as only the direct route (as the crow flies) between Varnsdorf and Ústí nad Labem has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles