The calculated distance (air line) between Blansko and Ústí nad Labem is approximately 147 miles respectively 236 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 Blansko and Ústí nad Labem has been calculated here.
Air line (approximately)
236 kilometers
127 nautical miles