The calculated distance (air line) between Dobřany and Ústí nad Labem is approximately 77 miles respectively 124 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 Dobřany and Ústí nad Labem has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles